77745780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61703}}^1$

素因数の和:61725

約数の個数: 72

約数和(自身を含む): 269523072

約数和(自身を除く): 191777292

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 61703, 123406, 185109, 246812, 308515, 370218, 431921, 555327, 617030, 740436, 863842, 925545, 1110654, 1234060, 1295763, 1727684, 1851090, 2159605, 2221308, 2591526, 2776635, 3702180, 3887289, 4319210, 5183052, 5553270, 6478815, 7774578, 8638420, 11106540, 12957630, 15549156, 19436445, 25915260, 38872890, 77745780]

約数ペア:

[(1, 77745780), (2, 38872890), (3, 25915260), (4, 19436445), (5, 15549156), (6, 12957630), (7, 11106540), (9, 8638420), (10, 7774578), (12, 6478815), (14, 5553270), (15, 5183052), (18, 4319210), (20, 3887289), (21, 3702180), (28, 2776635), (30, 2591526), (35, 2221308), (36, 2159605), (42, 1851090), (45, 1727684), (60, 1295763), (63, 1234060), (70, 1110654), (84, 925545), (90, 863842), (105, 740436), (126, 617030), (140, 555327), (180, 431921), (210, 370218), (252, 308515), (315, 246812), (420, 185109), (630, 123406), (1260, 61703)]