2991560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 7922880

約数和(自身を除く): 4931320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 523, 572, 715, 1046, 1144, 1430, 2092, 2615, 2860, 4184, 5230, 5720, 5753, 6799, 10460, 11506, 13598, 20920, 23012, 27196, 28765, 33995, 46024, 54392, 57530, 67990, 74789, 115060, 135980, 149578, 230120, 271960, 299156, 373945, 598312, 747890, 1495780, 2991560]

約数ペア:

[(1, 2991560), (2, 1495780), (4, 747890), (5, 598312), (8, 373945), (10, 299156), (11, 271960), (13, 230120), (20, 149578), (22, 135980), (26, 115060), (40, 74789), (44, 67990), (52, 57530), (55, 54392), (65, 46024), (88, 33995), (104, 28765), (110, 27196), (130, 23012), (143, 20920), (220, 13598), (260, 11506), (286, 10460), (440, 6799), (520, 5753), (523, 5720), (572, 5230), (715, 4184), (1046, 2860), (1144, 2615), (1430, 2092)]