31374990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{659}}^1$

素因数の和:718

約数の個数: 72

約数和(自身を含む): 85405320

約数和(自身を除く): 54030330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 529, 659, 690, 1035, 1058, 1318, 1587, 1977, 2070, 2645, 3174, 3295, 3954, 4761, 5290, 5931, 6590, 7935, 9522, 9885, 11862, 15157, 15870, 19770, 23805, 29655, 30314, 45471, 47610, 59310, 75785, 90942, 136413, 151570, 227355, 272826, 348611, 454710, 682065, 697222, 1045833, 1364130, 1743055, 2091666, 3137499, 3486110, 5229165, 6274998, 10458330, 15687495, 31374990]

約数ペア:

[(1, 31374990), (2, 15687495), (3, 10458330), (5, 6274998), (6, 5229165), (9, 3486110), (10, 3137499), (15, 2091666), (18, 1743055), (23, 1364130), (30, 1045833), (45, 697222), (46, 682065), (69, 454710), (90, 348611), (115, 272826), (138, 227355), (207, 151570), (230, 136413), (345, 90942), (414, 75785), (529, 59310), (659, 47610), (690, 45471), (1035, 30314), (1058, 29655), (1318, 23805), (1587, 19770), (1977, 15870), (2070, 15157), (2645, 11862), (3174, 9885), (3295, 9522), (3954, 7935), (4761, 6590), (5290, 5931)]