638279460

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:488

約数の個数: 384

約数和(自身を含む): 2528870400

約数和(自身を除く): 1890590940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 31, 35, 36, 39, 42, 45, 52, 54, 60, 62, 63, 65, 70, 78, 84, 90, 91, 93, 105, 108, 117, 124, 126, 130, 135, 140, 155, 156, 180, 182, 186, 189, 195, 210, 217, 234, 252, 260, 270, 273, 279, 310, 315, 351, 364, 372, 378, 390, 403, 419, 420, 434, 455, 465, 468, 540, 546, 558, 585, 620, 630, 651, 702, 756, 780, 806, 819, 837, 838, 868, 910, 930, 945, 1085, 1092, 1116, 1170, 1209, 1257, 1260, 1302, 1365, 1395, 1404, 1612, 1638, 1674, 1676, 1755, 1820, 1860, 1890, 1953, 2015, 2095, 2170, 2340, 2418, 2457, 2514, 2604, 2730, 2790, 2821, 2933, 3255, 3276, 3348, 3510, 3627, 3771, 3780, 3906, 4030, 4095, 4185, 4190, 4340, 4836, 4914, 5028, 5447, 5460, 5580, 5642, 5859, 5866, 6045, 6285, 6510, 7020, 7254, 7542, 7812, 8060, 8190, 8370, 8380, 8463, 8799, 9765, 9828, 10881, 10894, 11284, 11313, 11718, 11732, 12090, 12285, 12570, 12989, 13020, 14105, 14508, 14665, 15084, 16341, 16380, 16740, 16926, 17598, 18135, 18855, 19530, 21762, 21788, 22626, 23436, 24180, 24570, 25140, 25389, 25978, 26397, 27235, 28210, 29295, 29330, 32682, 33852, 35196, 36270, 37710, 38129, 38967, 39060, 42315, 43524, 43995, 45252, 49023, 49140, 50778, 51956, 52794, 54405, 54470, 56420, 56565, 58590, 58660, 64945, 65364, 72540, 75420, 76167, 76258, 77934, 79191, 81705, 84630, 87990, 90923, 98046, 101556, 105588, 108810, 108940, 113130, 114387, 116901, 117180, 126945, 129890, 131985, 147069, 152334, 152516, 155868, 158382, 163410, 168857, 169260, 175980, 181846, 190645, 194835, 196092, 217620, 226260, 228774, 233802, 245115, 253890, 259780, 263970, 272769, 294138, 304668, 316764, 326820, 337714, 343161, 350703, 363692, 380835, 381290, 389670, 395955, 454615, 457548, 467604, 490230, 506571, 507780, 527940, 545538, 571935, 584505, 588276, 675428, 686322, 701406, 735345, 761670, 762580, 779340, 791910, 818307, 844285, 909230, 980460, 1013142, 1029483, 1091076, 1143870, 1169010, 1181999, 1363845, 1372644, 1402812, 1470690, 1519713, 1523340, 1583820, 1636614, 1688570, 1715805, 1753515, 1818460, 2026284, 2058966, 2287740, 2338020, 2363998, 2454921, 2532855, 2727690, 2941380, 3039426, 3273228, 3377140, 3431610, 3507030, 3545997, 4091535, 4117932, 4559139, 4727996, 4909842, 5065710, 5147415, 5455380, 5909995, 6078852, 6863220, 7014060, 7091994, 7598565, 8183070, 9118278, 9819684, 10131420, 10294830, 10637991, 11819990, 12274605, 14183988, 15197130, 16366140, 17729985, 18236556, 20589660, 21275982, 22795695, 23639980, 24549210, 30394260, 31913973, 35459970, 42551964, 45591390, 49098420, 53189955, 63827946, 70919940, 91182780, 106379910, 127655892, 159569865, 212759820, 319139730, 638279460]

約数ペア:

[(1, 638279460), (2, 319139730), (3, 212759820), (4, 159569865), (5, 127655892), (6, 106379910), (7, 91182780), (9, 70919940), (10, 63827946), (12, 53189955), (13, 49098420), (14, 45591390), (15, 42551964), (18, 35459970), (20, 31913973), (21, 30394260), (26, 24549210), (27, 23639980), (28, 22795695), (30, 21275982), (31, 20589660), (35, 18236556), (36, 17729985), (39, 16366140), (42, 15197130), (45, 14183988), (52, 12274605), (54, 11819990), (60, 10637991), (62, 10294830), (63, 10131420), (65, 9819684), (70, 9118278), (78, 8183070), (84, 7598565), (90, 7091994), (91, 7014060), (93, 6863220), (105, 6078852), (108, 5909995), (117, 5455380), (124, 5147415), (126, 5065710), (130, 4909842), (135, 4727996), (140, 4559139), (155, 4117932), (156, 4091535), (180, 3545997), (182, 3507030), (186, 3431610), (189, 3377140), (195, 3273228), (210, 3039426), (217, 2941380), (234, 2727690), (252, 2532855), (260, 2454921), (270, 2363998), (273, 2338020), (279, 2287740), (310, 2058966), (315, 2026284), (351, 1818460), (364, 1753515), (372, 1715805), (378, 1688570), (390, 1636614), (403, 1583820), (419, 1523340), (420, 1519713), (434, 1470690), (455, 1402812), (465, 1372644), (468, 1363845), (540, 1181999), (546, 1169010), (558, 1143870), (585, 1091076), (620, 1029483), (630, 1013142), (651, 980460), (702, 909230), (756, 844285), (780, 818307), (806, 791910), (819, 779340), (837, 762580), (838, 761670), (868, 735345), (910, 701406), (930, 686322), (945, 675428), (1085, 588276), (1092, 584505), (1116, 571935), (1170, 545538), (1209, 527940), (1257, 507780), (1260, 506571), (1302, 490230), (1365, 467604), (1395, 457548), (1404, 454615), (1612, 395955), (1638, 389670), (1674, 381290), (1676, 380835), (1755, 363692), (1820, 350703), (1860, 343161), (1890, 337714), (1953, 326820), (2015, 316764), (2095, 304668), (2170, 294138), (2340, 272769), (2418, 263970), (2457, 259780), (2514, 253890), (2604, 245115), (2730, 233802), (2790, 228774), (2821, 226260), (2933, 217620), (3255, 196092), (3276, 194835), (3348, 190645), (3510, 181846), (3627, 175980), (3771, 169260), (3780, 168857), (3906, 163410), (4030, 158382), (4095, 155868), (4185, 152516), (4190, 152334), (4340, 147069), (4836, 131985), (4914, 129890), (5028, 126945), (5447, 117180), (5460, 116901), (5580, 114387), (5642, 113130), (5859, 108940), (5866, 108810), (6045, 105588), (6285, 101556), (6510, 98046), (7020, 90923), (7254, 87990), (7542, 84630), (7812, 81705), (8060, 79191), (8190, 77934), (8370, 76258), (8380, 76167), (8463, 75420), (8799, 72540), (9765, 65364), (9828, 64945), (10881, 58660), (10894, 58590), (11284, 56565), (11313, 56420), (11718, 54470), (11732, 54405), (12090, 52794), (12285, 51956), (12570, 50778), (12989, 49140), (13020, 49023), (14105, 45252), (14508, 43995), (14665, 43524), (15084, 42315), (16341, 39060), (16380, 38967), (16740, 38129), (16926, 37710), (17598, 36270), (18135, 35196), (18855, 33852), (19530, 32682), (21762, 29330), (21788, 29295), (22626, 28210), (23436, 27235), (24180, 26397), (24570, 25978), (25140, 25389)]