778632512320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{289291}}^1$

素因数の和:289968

約数の個数: 112

約数和(自身を含む): 1999836252288

約数和(自身を除く): 1221203739968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 647, 832, 1040, 1294, 2080, 2588, 3235, 4160, 5176, 6470, 8411, 10352, 12940, 16822, 20704, 25880, 33644, 41408, 42055, 51760, 67288, 84110, 103520, 134576, 168220, 207040, 269152, 289291, 336440, 538304, 578582, 672880, 1157164, 1345760, 1446455, 2314328, 2691520, 2892910, 3760783, 4628656, 5785820, 7521566, 9257312, 11571640, 15043132, 18514624, 18803915, 23143280, 30086264, 37607830, 46286560, 60172528, 75215660, 92573120, 120345056, 150431320, 187171277, 240690112, 300862640, 374342554, 601725280, 748685108, 935856385, 1203450560, 1497370216, 1871712770, 2433226601, 2994740432, 3743425540, 4866453202, 5989480864, 7486851080, 9732906404, 11978961728, 12166133005, 14973702160, 19465812808, 24332266010, 29947404320, 38931625616, 48664532020, 59894808640, 77863251232, 97329064040, 155726502464, 194658128080, 389316256160, 778632512320]

約数ペア:

[(1, 778632512320), (2, 389316256160), (4, 194658128080), (5, 155726502464), (8, 97329064040), (10, 77863251232), (13, 59894808640), (16, 48664532020), (20, 38931625616), (26, 29947404320), (32, 24332266010), (40, 19465812808), (52, 14973702160), (64, 12166133005), (65, 11978961728), (80, 9732906404), (104, 7486851080), (130, 5989480864), (160, 4866453202), (208, 3743425540), (260, 2994740432), (320, 2433226601), (416, 1871712770), (520, 1497370216), (647, 1203450560), (832, 935856385), (1040, 748685108), (1294, 601725280), (2080, 374342554), (2588, 300862640), (3235, 240690112), (4160, 187171277), (5176, 150431320), (6470, 120345056), (8411, 92573120), (10352, 75215660), (12940, 60172528), (16822, 46286560), (20704, 37607830), (25880, 30086264), (33644, 23143280), (41408, 18803915), (42055, 18514624), (51760, 15043132), (67288, 11571640), (84110, 9257312), (103520, 7521566), (134576, 5785820), (168220, 4628656), (207040, 3760783), (269152, 2892910), (289291, 2691520), (336440, 2314328), (538304, 1446455), (578582, 1345760), (672880, 1157164)]