128412180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54877}}^1$

素因数の和:54905

約数の個数: 72

約数和(自身を含む): 419487432

約数和(自身を除く): 291075252

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, 54877, 109754, 164631, 219508, 274385, 329262, 493893, 548770, 658524, 713401, 823155, 987786, 1097540, 1426802, 1646310, 1975572, 2140203, 2469465, 2853604, 3292620, 3567005, 4280406, 4938930, 6420609, 7134010, 8560812, 9877860, 10701015, 12841218, 14268020, 21402030, 25682436, 32103045, 42804060, 64206090, 128412180]

約数ペア:

[(1, 128412180), (2, 64206090), (3, 42804060), (4, 32103045), (5, 25682436), (6, 21402030), (9, 14268020), (10, 12841218), (12, 10701015), (13, 9877860), (15, 8560812), (18, 7134010), (20, 6420609), (26, 4938930), (30, 4280406), (36, 3567005), (39, 3292620), (45, 2853604), (52, 2469465), (60, 2140203), (65, 1975572), (78, 1646310), (90, 1426802), (117, 1097540), (130, 987786), (156, 823155), (180, 713401), (195, 658524), (234, 548770), (260, 493893), (390, 329262), (468, 274385), (585, 219508), (780, 164631), (1170, 109754), (2340, 54877)]