79721460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 288

約数和(自身を含む): 309184512

約数和(自身を除く): 229463052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 31, 35, 36, 39, 42, 45, 52, 60, 62, 63, 65, 70, 78, 84, 90, 91, 93, 105, 117, 124, 126, 130, 140, 155, 156, 157, 180, 182, 186, 195, 210, 217, 234, 252, 260, 273, 279, 310, 314, 315, 364, 372, 390, 403, 420, 434, 455, 465, 468, 471, 546, 558, 585, 620, 628, 630, 651, 780, 785, 806, 819, 868, 910, 930, 942, 1085, 1092, 1099, 1116, 1170, 1209, 1260, 1302, 1365, 1395, 1413, 1570, 1612, 1638, 1820, 1860, 1884, 1953, 2015, 2041, 2170, 2198, 2340, 2355, 2418, 2604, 2730, 2790, 2821, 2826, 3140, 3255, 3276, 3297, 3627, 3906, 4030, 4082, 4095, 4340, 4396, 4710, 4836, 4867, 5460, 5495, 5580, 5642, 5652, 6045, 6123, 6510, 6594, 7065, 7254, 7812, 8060, 8164, 8190, 8463, 9420, 9734, 9765, 9891, 10205, 10990, 11284, 12090, 12246, 13020, 13188, 14105, 14130, 14287, 14508, 14601, 16380, 16485, 16926, 18135, 18369, 19468, 19530, 19782, 20410, 21980, 24180, 24335, 24492, 25389, 28210, 28260, 28574, 29202, 30615, 32970, 33852, 34069, 36270, 36738, 39060, 39564, 40820, 42315, 42861, 43803, 48670, 49455, 50778, 56420, 57148, 58404, 61230, 63271, 65940, 68138, 71435, 72540, 73005, 73476, 84630, 85722, 87606, 91845, 97340, 98910, 101556, 102207, 122460, 126542, 126945, 128583, 136276, 142870, 146010, 169260, 170345, 171444, 175212, 183690, 189813, 197820, 204414, 214305, 219015, 253084, 253890, 257166, 285740, 292020, 306621, 316355, 340690, 367380, 379626, 408828, 428610, 438030, 442897, 507780, 511035, 514332, 569439, 613242, 632710, 642915, 681380, 759252, 857220, 876060, 885794, 949065, 1022070, 1138878, 1226484, 1265420, 1285830, 1328691, 1533105, 1771588, 1898130, 2044140, 2214485, 2277756, 2571660, 2657382, 2847195, 3066210, 3796260, 3986073, 4428970, 5314764, 5694390, 6132420, 6643455, 7972146, 8857940, 11388780, 13286910, 15944292, 19930365, 26573820, 39860730, 79721460]

約数ペア:

[(1, 79721460), (2, 39860730), (3, 26573820), (4, 19930365), (5, 15944292), (6, 13286910), (7, 11388780), (9, 8857940), (10, 7972146), (12, 6643455), (13, 6132420), (14, 5694390), (15, 5314764), (18, 4428970), (20, 3986073), (21, 3796260), (26, 3066210), (28, 2847195), (30, 2657382), (31, 2571660), (35, 2277756), (36, 2214485), (39, 2044140), (42, 1898130), (45, 1771588), (52, 1533105), (60, 1328691), (62, 1285830), (63, 1265420), (65, 1226484), (70, 1138878), (78, 1022070), (84, 949065), (90, 885794), (91, 876060), (93, 857220), (105, 759252), (117, 681380), (124, 642915), (126, 632710), (130, 613242), (140, 569439), (155, 514332), (156, 511035), (157, 507780), (180, 442897), (182, 438030), (186, 428610), (195, 408828), (210, 379626), (217, 367380), (234, 340690), (252, 316355), (260, 306621), (273, 292020), (279, 285740), (310, 257166), (314, 253890), (315, 253084), (364, 219015), (372, 214305), (390, 204414), (403, 197820), (420, 189813), (434, 183690), (455, 175212), (465, 171444), (468, 170345), (471, 169260), (546, 146010), (558, 142870), (585, 136276), (620, 128583), (628, 126945), (630, 126542), (651, 122460), (780, 102207), (785, 101556), (806, 98910), (819, 97340), (868, 91845), (910, 87606), (930, 85722), (942, 84630), (1085, 73476), (1092, 73005), (1099, 72540), (1116, 71435), (1170, 68138), (1209, 65940), (1260, 63271), (1302, 61230), (1365, 58404), (1395, 57148), (1413, 56420), (1570, 50778), (1612, 49455), (1638, 48670), (1820, 43803), (1860, 42861), (1884, 42315), (1953, 40820), (2015, 39564), (2041, 39060), (2170, 36738), (2198, 36270), (2340, 34069), (2355, 33852), (2418, 32970), (2604, 30615), (2730, 29202), (2790, 28574), (2821, 28260), (2826, 28210), (3140, 25389), (3255, 24492), (3276, 24335), (3297, 24180), (3627, 21980), (3906, 20410), (4030, 19782), (4082, 19530), (4095, 19468), (4340, 18369), (4396, 18135), (4710, 16926), (4836, 16485), (4867, 16380), (5460, 14601), (5495, 14508), (5580, 14287), (5642, 14130), (5652, 14105), (6045, 13188), (6123, 13020), (6510, 12246), (6594, 12090), (7065, 11284), (7254, 10990), (7812, 10205), (8060, 9891), (8164, 9765), (8190, 9734), (8463, 9420)]