31316560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1873}}^1$

素因数の和:1916

約数の個数: 80

約数和(自身を含む): 83655360

約数和(自身を除く): 52338800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 1873, 2090, 3344, 3746, 4180, 7492, 8360, 9365, 14984, 16720, 18730, 20603, 29968, 35587, 37460, 41206, 71174, 74920, 82412, 103015, 142348, 149840, 164824, 177935, 206030, 284696, 329648, 355870, 391457, 412060, 569392, 711740, 782914, 824120, 1423480, 1565828, 1648240, 1957285, 2846960, 3131656, 3914570, 6263312, 7829140, 15658280, 31316560]

約数ペア:

[(1, 31316560), (2, 15658280), (4, 7829140), (5, 6263312), (8, 3914570), (10, 3131656), (11, 2846960), (16, 1957285), (19, 1648240), (20, 1565828), (22, 1423480), (38, 824120), (40, 782914), (44, 711740), (55, 569392), (76, 412060), (80, 391457), (88, 355870), (95, 329648), (110, 284696), (152, 206030), (176, 177935), (190, 164824), (209, 149840), (220, 142348), (304, 103015), (380, 82412), (418, 74920), (440, 71174), (760, 41206), (836, 37460), (880, 35587), (1045, 29968), (1520, 20603), (1672, 18730), (1873, 16720), (2090, 14984), (3344, 9365), (3746, 8360), (4180, 7492)]