31550940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7621}}^1$

素因数の和:7659

約数の個数: 72

約数和(自身を含む): 99878688

約数和(自身を除く): 68327748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 7621, 15242, 22863, 30484, 38105, 45726, 68589, 76210, 91452, 114315, 137178, 152420, 175283, 228630, 274356, 342945, 350566, 457260, 525849, 685890, 701132, 876415, 1051698, 1371780, 1577547, 1752830, 2103396, 2629245, 3155094, 3505660, 5258490, 6310188, 7887735, 10516980, 15775470, 31550940]

約数ペア:

[(1, 31550940), (2, 15775470), (3, 10516980), (4, 7887735), (5, 6310188), (6, 5258490), (9, 3505660), (10, 3155094), (12, 2629245), (15, 2103396), (18, 1752830), (20, 1577547), (23, 1371780), (30, 1051698), (36, 876415), (45, 701132), (46, 685890), (60, 525849), (69, 457260), (90, 350566), (92, 342945), (115, 274356), (138, 228630), (180, 175283), (207, 152420), (230, 137178), (276, 114315), (345, 91452), (414, 76210), (460, 68589), (690, 45726), (828, 38105), (1035, 30484), (1380, 22863), (2070, 15242), (4140, 7621)]