66978900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{8269}}^1$

素因数の和:8295

約数の個数: 90

約数和(自身を含む): 217145390

約数和(自身を除く): 150166490

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 8269, 16538, 24807, 33076, 41345, 49614, 74421, 82690, 99228, 124035, 148842, 165380, 206725, 223263, 248070, 297684, 372105, 413450, 446526, 496140, 620175, 669789, 744210, 826900, 893052, 1116315, 1240350, 1339578, 1488420, 1860525, 2232630, 2480700, 2679156, 3348945, 3721050, 4465260, 5581575, 6697890, 7442100, 11163150, 13395780, 16744725, 22326300, 33489450, 66978900]

約数ペア:

[(1, 66978900), (2, 33489450), (3, 22326300), (4, 16744725), (5, 13395780), (6, 11163150), (9, 7442100), (10, 6697890), (12, 5581575), (15, 4465260), (18, 3721050), (20, 3348945), (25, 2679156), (27, 2480700), (30, 2232630), (36, 1860525), (45, 1488420), (50, 1339578), (54, 1240350), (60, 1116315), (75, 893052), (81, 826900), (90, 744210), (100, 669789), (108, 620175), (135, 496140), (150, 446526), (162, 413450), (180, 372105), (225, 297684), (270, 248070), (300, 223263), (324, 206725), (405, 165380), (450, 148842), (540, 124035), (675, 99228), (810, 82690), (900, 74421), (1350, 49614), (1620, 41345), (2025, 33076), (2700, 24807), (4050, 16538), (8100, 8269)]