7864740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3361}}^1$

素因数の和:3389

約数の個数: 72

約数和(自身を含む): 25699128

約数和(自身を除く): 17834388

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, 3361, 6722, 10083, 13444, 16805, 20166, 30249, 33610, 40332, 43693, 50415, 60498, 67220, 87386, 100830, 120996, 131079, 151245, 174772, 201660, 218465, 262158, 302490, 393237, 436930, 524316, 604980, 655395, 786474, 873860, 1310790, 1572948, 1966185, 2621580, 3932370, 7864740]

約数ペア:

[(1, 7864740), (2, 3932370), (3, 2621580), (4, 1966185), (5, 1572948), (6, 1310790), (9, 873860), (10, 786474), (12, 655395), (13, 604980), (15, 524316), (18, 436930), (20, 393237), (26, 302490), (30, 262158), (36, 218465), (39, 201660), (45, 174772), (52, 151245), (60, 131079), (65, 120996), (78, 100830), (90, 87386), (117, 67220), (130, 60498), (156, 50415), (180, 43693), (195, 40332), (234, 33610), (260, 30249), (390, 20166), (468, 16805), (585, 13444), (780, 10083), (1170, 6722), (2340, 3361)]