77990640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3571}}^1$

素因数の和:3607

約数の個数: 160

約数和(自身を含む): 297647616

約数和(自身を除く): 219656976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3571, 3640, 4368, 5460, 7142, 7280, 10713, 10920, 14284, 17855, 21426, 21840, 24997, 28568, 35710, 42852, 46423, 49994, 53565, 57136, 71420, 74991, 85704, 92846, 99988, 107130, 124985, 139269, 142840, 149982, 171408, 185692, 199976, 214260, 232115, 249970, 278538, 285680, 299964, 324961, 371384, 374955, 399952, 428520, 464230, 499940, 557076, 599928, 649922, 696345, 742768, 749910, 857040, 928460, 974883, 999880, 1114152, 1199856, 1299844, 1392690, 1499820, 1624805, 1856920, 1949766, 1999760, 2228304, 2599688, 2785380, 2999640, 3249610, 3713840, 3899532, 4874415, 5199376, 5570760, 5999280, 6499220, 7799064, 9748830, 11141520, 12998440, 15598128, 19497660, 25996880, 38995320, 77990640]

約数ペア:

[(1, 77990640), (2, 38995320), (3, 25996880), (4, 19497660), (5, 15598128), (6, 12998440), (7, 11141520), (8, 9748830), (10, 7799064), (12, 6499220), (13, 5999280), (14, 5570760), (15, 5199376), (16, 4874415), (20, 3899532), (21, 3713840), (24, 3249610), (26, 2999640), (28, 2785380), (30, 2599688), (35, 2228304), (39, 1999760), (40, 1949766), (42, 1856920), (48, 1624805), (52, 1499820), (56, 1392690), (60, 1299844), (65, 1199856), (70, 1114152), (78, 999880), (80, 974883), (84, 928460), (91, 857040), (104, 749910), (105, 742768), (112, 696345), (120, 649922), (130, 599928), (140, 557076), (156, 499940), (168, 464230), (182, 428520), (195, 399952), (208, 374955), (210, 371384), (240, 324961), (260, 299964), (273, 285680), (280, 278538), (312, 249970), (336, 232115), (364, 214260), (390, 199976), (420, 185692), (455, 171408), (520, 149982), (546, 142840), (560, 139269), (624, 124985), (728, 107130), (780, 99988), (840, 92846), (910, 85704), (1040, 74991), (1092, 71420), (1365, 57136), (1456, 53565), (1560, 49994), (1680, 46423), (1820, 42852), (2184, 35710), (2730, 28568), (3120, 24997), (3571, 21840), (3640, 21426), (4368, 17855), (5460, 14284), (7142, 10920), (7280, 10713)]