31451940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13441}}^1$

素因数の和:13469

約数の個数: 72

約数和(自身を含む): 102750648

約数和(自身を除く): 71298708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 13441, 26882, 40323, 53764, 67205, 80646, 120969, 134410, 161292, 174733, 201615, 241938, 268820, 349466, 403230, 483876, 524199, 604845, 698932, 806460, 873665, 1048398, 1209690, 1572597, 1747330, 2096796, 2419380, 2620995, 3145194, 3494660, 5241990, 6290388, 7862985, 10483980, 15725970, 31451940]

約数ペア:

[(1, 31451940), (2, 15725970), (3, 10483980), (4, 7862985), (5, 6290388), (6, 5241990), (9, 3494660), (10, 3145194), (12, 2620995), (13, 2419380), (15, 2096796), (18, 1747330), (20, 1572597), (26, 1209690), (30, 1048398), (36, 873665), (39, 806460), (45, 698932), (52, 604845), (60, 524199), (65, 483876), (78, 403230), (90, 349466), (117, 268820), (130, 241938), (156, 201615), (180, 174733), (195, 161292), (234, 134410), (260, 120969), (390, 80646), (468, 67205), (585, 53764), (780, 40323), (1170, 26882), (2340, 13441)]