428478120

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 384

約数和(自身を含む): 1733702400

約数和(自身を除く): 1305224280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 157, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 314, 315, 342, 360, 361, 378, 380, 399, 420, 456, 471, 504, 513, 532, 540, 570, 628, 630, 665, 684, 722, 756, 760, 785, 798, 840, 855, 942, 945, 1026, 1064, 1080, 1083, 1099, 1140, 1197, 1256, 1260, 1330, 1368, 1413, 1444, 1512, 1570, 1596, 1710, 1805, 1884, 1890, 1995, 2052, 2166, 2198, 2280, 2355, 2394, 2520, 2527, 2565, 2660, 2826, 2888, 2983, 3140, 3192, 3249, 3297, 3420, 3591, 3610, 3768, 3780, 3990, 4104, 4239, 4332, 4396, 4710, 4788, 5054, 5130, 5320, 5415, 5495, 5652, 5966, 5985, 6280, 6498, 6594, 6840, 7065, 7182, 7220, 7560, 7581, 7980, 8478, 8664, 8792, 8949, 9420, 9576, 9747, 9891, 10108, 10260, 10830, 10990, 11304, 11932, 11970, 12635, 12996, 13188, 14130, 14364, 14440, 14915, 15162, 15960, 16245, 16485, 16956, 17898, 17955, 18840, 19494, 19782, 20216, 20520, 20881, 21195, 21660, 21980, 22743, 23864, 23940, 25270, 25992, 26376, 26847, 28260, 28728, 29673, 29830, 30324, 32490, 32970, 33912, 35796, 35910, 37905, 38988, 39564, 41762, 42390, 43320, 43960, 44745, 45486, 47880, 48735, 49455, 50540, 53694, 56520, 56677, 59346, 59660, 60648, 62643, 64980, 65940, 68229, 71592, 71820, 75810, 77976, 79128, 80541, 83524, 84780, 89490, 90972, 97470, 98910, 101080, 104405, 107388, 113354, 113715, 118692, 119320, 125286, 129960, 131880, 134235, 136458, 143640, 148365, 151620, 161082, 167048, 169560, 170031, 178980, 181944, 187929, 194940, 197820, 208810, 214776, 226708, 227430, 237384, 250572, 268470, 272916, 283385, 296730, 303240, 313215, 322164, 340062, 341145, 357960, 375858, 389880, 395640, 396739, 402705, 417620, 453416, 454860, 501144, 510093, 536940, 545832, 563787, 566770, 593460, 626430, 644328, 680124, 682290, 751716, 793478, 805410, 835240, 850155, 909720, 939645, 1020186, 1073880, 1127574, 1133540, 1186920, 1190217, 1252860, 1360248, 1364580, 1503432, 1530279, 1586956, 1610820, 1700310, 1879290, 1983695, 2040372, 2255148, 2267080, 2380434, 2505720, 2550465, 2729160, 2818935, 3060558, 3173912, 3221640, 3400620, 3570651, 3758580, 3967390, 4080744, 4510296, 4760868, 5100930, 5637870, 5951085, 6121116, 6801240, 7141302, 7517160, 7651395, 7934780, 9521736, 10201860, 10711953, 11275740, 11902170, 12242232, 14282604, 15302790, 15869560, 17853255, 20403720, 21423906, 22551480, 23804340, 28565208, 30605580, 35706510, 42847812, 47608680, 53559765, 61211160, 71413020, 85695624, 107119530, 142826040, 214239060, 428478120]

約数ペア:

[(1, 428478120), (2, 214239060), (3, 142826040), (4, 107119530), (5, 85695624), (6, 71413020), (7, 61211160), (8, 53559765), (9, 47608680), (10, 42847812), (12, 35706510), (14, 30605580), (15, 28565208), (18, 23804340), (19, 22551480), (20, 21423906), (21, 20403720), (24, 17853255), (27, 15869560), (28, 15302790), (30, 14282604), (35, 12242232), (36, 11902170), (38, 11275740), (40, 10711953), (42, 10201860), (45, 9521736), (54, 7934780), (56, 7651395), (57, 7517160), (60, 7141302), (63, 6801240), (70, 6121116), (72, 5951085), (76, 5637870), (84, 5100930), (90, 4760868), (95, 4510296), (105, 4080744), (108, 3967390), (114, 3758580), (120, 3570651), (126, 3400620), (133, 3221640), (135, 3173912), (140, 3060558), (152, 2818935), (157, 2729160), (168, 2550465), (171, 2505720), (180, 2380434), (189, 2267080), (190, 2255148), (210, 2040372), (216, 1983695), (228, 1879290), (252, 1700310), (266, 1610820), (270, 1586956), (280, 1530279), (285, 1503432), (314, 1364580), (315, 1360248), (342, 1252860), (360, 1190217), (361, 1186920), (378, 1133540), (380, 1127574), (399, 1073880), (420, 1020186), (456, 939645), (471, 909720), (504, 850155), (513, 835240), (532, 805410), (540, 793478), (570, 751716), (628, 682290), (630, 680124), (665, 644328), (684, 626430), (722, 593460), (756, 566770), (760, 563787), (785, 545832), (798, 536940), (840, 510093), (855, 501144), (942, 454860), (945, 453416), (1026, 417620), (1064, 402705), (1080, 396739), (1083, 395640), (1099, 389880), (1140, 375858), (1197, 357960), (1256, 341145), (1260, 340062), (1330, 322164), (1368, 313215), (1413, 303240), (1444, 296730), (1512, 283385), (1570, 272916), (1596, 268470), (1710, 250572), (1805, 237384), (1884, 227430), (1890, 226708), (1995, 214776), (2052, 208810), (2166, 197820), (2198, 194940), (2280, 187929), (2355, 181944), (2394, 178980), (2520, 170031), (2527, 169560), (2565, 167048), (2660, 161082), (2826, 151620), (2888, 148365), (2983, 143640), (3140, 136458), (3192, 134235), (3249, 131880), (3297, 129960), (3420, 125286), (3591, 119320), (3610, 118692), (3768, 113715), (3780, 113354), (3990, 107388), (4104, 104405), (4239, 101080), (4332, 98910), (4396, 97470), (4710, 90972), (4788, 89490), (5054, 84780), (5130, 83524), (5320, 80541), (5415, 79128), (5495, 77976), (5652, 75810), (5966, 71820), (5985, 71592), (6280, 68229), (6498, 65940), (6594, 64980), (6840, 62643), (7065, 60648), (7182, 59660), (7220, 59346), (7560, 56677), (7581, 56520), (7980, 53694), (8478, 50540), (8664, 49455), (8792, 48735), (8949, 47880), (9420, 45486), (9576, 44745), (9747, 43960), (9891, 43320), (10108, 42390), (10260, 41762), (10830, 39564), (10990, 38988), (11304, 37905), (11932, 35910), (11970, 35796), (12635, 33912), (12996, 32970), (13188, 32490), (14130, 30324), (14364, 29830), (14440, 29673), (14915, 28728), (15162, 28260), (15960, 26847), (16245, 26376), (16485, 25992), (16956, 25270), (17898, 23940), (17955, 23864), (18840, 22743), (19494, 21980), (19782, 21660), (20216, 21195), (20520, 20881)]