89981220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6911}}^1$

素因数の和:6961

約数の個数: 96

約数和(自身を含む): 297271296

約数和(自身を除く): 207290076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 6911, 13020, 13822, 20733, 27644, 34555, 41466, 48377, 69110, 82932, 96754, 103665, 138220, 145131, 193508, 207330, 214241, 241885, 290262, 414660, 428482, 483770, 580524, 642723, 725655, 856964, 967540, 1071205, 1285446, 1451310, 1499687, 2142410, 2570892, 2902620, 2999374, 3213615, 4284820, 4499061, 5998748, 6427230, 7498435, 8998122, 12854460, 14996870, 17996244, 22495305, 29993740, 44990610, 89981220]

約数ペア:

[(1, 89981220), (2, 44990610), (3, 29993740), (4, 22495305), (5, 17996244), (6, 14996870), (7, 12854460), (10, 8998122), (12, 7498435), (14, 6427230), (15, 5998748), (20, 4499061), (21, 4284820), (28, 3213615), (30, 2999374), (31, 2902620), (35, 2570892), (42, 2142410), (60, 1499687), (62, 1451310), (70, 1285446), (84, 1071205), (93, 967540), (105, 856964), (124, 725655), (140, 642723), (155, 580524), (186, 483770), (210, 428482), (217, 414660), (310, 290262), (372, 241885), (420, 214241), (434, 207330), (465, 193508), (620, 145131), (651, 138220), (868, 103665), (930, 96754), (1085, 82932), (1302, 69110), (1860, 48377), (2170, 41466), (2604, 34555), (3255, 27644), (4340, 20733), (6510, 13822), (6911, 13020)]