400609680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{87853}}^1$

素因数の和:87888

約数の個数: 80

約数和(自身を含む): 1307267520

約数和(自身を除く): 906657840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 87853, 175706, 263559, 351412, 439265, 527118, 702824, 878530, 1054236, 1317795, 1405648, 1669207, 1757060, 2108472, 2635590, 3338414, 3514120, 4216944, 5007621, 5271180, 6676828, 7028240, 8346035, 10015242, 10542360, 13353656, 16692070, 20030484, 21084720, 25038105, 26707312, 33384140, 40060968, 50076210, 66768280, 80121936, 100152420, 133536560, 200304840, 400609680]

約数ペア:

[(1, 400609680), (2, 200304840), (3, 133536560), (4, 100152420), (5, 80121936), (6, 66768280), (8, 50076210), (10, 40060968), (12, 33384140), (15, 26707312), (16, 25038105), (19, 21084720), (20, 20030484), (24, 16692070), (30, 13353656), (38, 10542360), (40, 10015242), (48, 8346035), (57, 7028240), (60, 6676828), (76, 5271180), (80, 5007621), (95, 4216944), (114, 3514120), (120, 3338414), (152, 2635590), (190, 2108472), (228, 1757060), (240, 1669207), (285, 1405648), (304, 1317795), (380, 1054236), (456, 878530), (570, 702824), (760, 527118), (912, 439265), (1140, 351412), (1520, 263559), (2280, 175706), (4560, 87853)]