638288820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6653}}^1$

素因数の和:6722

約数の個数: 144

約数和(自身を含む): 2136253392

約数和(自身を除く): 1497964572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 41, 45, 52, 60, 65, 78, 82, 90, 117, 123, 130, 156, 164, 180, 195, 205, 234, 246, 260, 369, 390, 410, 468, 492, 533, 585, 615, 738, 780, 820, 1066, 1170, 1230, 1476, 1599, 1845, 2132, 2340, 2460, 2665, 3198, 3690, 4797, 5330, 6396, 6653, 7380, 7995, 9594, 10660, 13306, 15990, 19188, 19959, 23985, 26612, 31980, 33265, 39918, 47970, 59877, 66530, 79836, 86489, 95940, 99795, 119754, 133060, 172978, 199590, 239508, 259467, 272773, 299385, 345956, 399180, 432445, 518934, 545546, 598770, 778401, 818319, 864890, 1037868, 1091092, 1197540, 1297335, 1363865, 1556802, 1636638, 1729780, 2454957, 2594670, 2727730, 3113604, 3273276, 3546049, 3892005, 4091595, 4909914, 5189340, 5455460, 7092098, 7784010, 8183190, 9819828, 10638147, 12274785, 14184196, 15568020, 16366380, 17730245, 21276294, 24549570, 31914441, 35460490, 42552588, 49099140, 53190735, 63828882, 70920980, 106381470, 127657764, 159572205, 212762940, 319144410, 638288820]

約数ペア:

[(1, 638288820), (2, 319144410), (3, 212762940), (4, 159572205), (5, 127657764), (6, 106381470), (9, 70920980), (10, 63828882), (12, 53190735), (13, 49099140), (15, 42552588), (18, 35460490), (20, 31914441), (26, 24549570), (30, 21276294), (36, 17730245), (39, 16366380), (41, 15568020), (45, 14184196), (52, 12274785), (60, 10638147), (65, 9819828), (78, 8183190), (82, 7784010), (90, 7092098), (117, 5455460), (123, 5189340), (130, 4909914), (156, 4091595), (164, 3892005), (180, 3546049), (195, 3273276), (205, 3113604), (234, 2727730), (246, 2594670), (260, 2454957), (369, 1729780), (390, 1636638), (410, 1556802), (468, 1363865), (492, 1297335), (533, 1197540), (585, 1091092), (615, 1037868), (738, 864890), (780, 818319), (820, 778401), (1066, 598770), (1170, 545546), (1230, 518934), (1476, 432445), (1599, 399180), (1845, 345956), (2132, 299385), (2340, 272773), (2460, 259467), (2665, 239508), (3198, 199590), (3690, 172978), (4797, 133060), (5330, 119754), (6396, 99795), (6653, 95940), (7380, 86489), (7995, 79836), (9594, 66530), (10660, 59877), (13306, 47970), (15990, 39918), (19188, 33265), (19959, 31980), (23985, 26612)]