1275797960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{2621}}^1$

素因数の和:2958

約数の個数: 64

約数和(自身を含む): 2948806080

約数和(自身を除く): 1673008120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 283, 344, 430, 566, 860, 1132, 1415, 1720, 2264, 2621, 2830, 5242, 5660, 10484, 11320, 12169, 13105, 20968, 24338, 26210, 48676, 52420, 60845, 97352, 104840, 112703, 121690, 225406, 243380, 450812, 486760, 563515, 741743, 901624, 1127030, 1483486, 2254060, 2966972, 3708715, 4508120, 5933944, 7417430, 14834860, 29669720, 31894949, 63789898, 127579796, 159474745, 255159592, 318949490, 637898980, 1275797960]

約数ペア:

[(1, 1275797960), (2, 637898980), (4, 318949490), (5, 255159592), (8, 159474745), (10, 127579796), (20, 63789898), (40, 31894949), (43, 29669720), (86, 14834860), (172, 7417430), (215, 5933944), (283, 4508120), (344, 3708715), (430, 2966972), (566, 2254060), (860, 1483486), (1132, 1127030), (1415, 901624), (1720, 741743), (2264, 563515), (2621, 486760), (2830, 450812), (5242, 243380), (5660, 225406), (10484, 121690), (11320, 112703), (12169, 104840), (13105, 97352), (20968, 60845), (24338, 52420), (26210, 48676)]