69156920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4049}}^1$

素因数の和:4128

約数の個数: 64

約数和(自身を含む): 180792000

約数和(自身を除く): 111635080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4049, 4270, 8098, 8540, 16196, 17080, 20245, 28343, 32392, 40490, 56686, 80980, 113372, 141715, 161960, 226744, 246989, 283430, 493978, 566860, 987956, 1133720, 1234945, 1728923, 1975912, 2469890, 3457846, 4939780, 6915692, 8644615, 9879560, 13831384, 17289230, 34578460, 69156920]

約数ペア:

[(1, 69156920), (2, 34578460), (4, 17289230), (5, 13831384), (7, 9879560), (8, 8644615), (10, 6915692), (14, 4939780), (20, 3457846), (28, 2469890), (35, 1975912), (40, 1728923), (56, 1234945), (61, 1133720), (70, 987956), (122, 566860), (140, 493978), (244, 283430), (280, 246989), (305, 226744), (427, 161960), (488, 141715), (610, 113372), (854, 80980), (1220, 56686), (1708, 40490), (2135, 32392), (2440, 28343), (3416, 20245), (4049, 17080), (4270, 16196), (8098, 8540)]