1081880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 64

約数和(自身を含む): 2708640

約数和(自身を除く): 1626760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 43, 68, 74, 85, 86, 136, 148, 170, 172, 185, 215, 296, 340, 344, 370, 430, 629, 680, 731, 740, 860, 1258, 1462, 1480, 1591, 1720, 2516, 2924, 3145, 3182, 3655, 5032, 5848, 6290, 6364, 7310, 7955, 12580, 12728, 14620, 15910, 25160, 27047, 29240, 31820, 54094, 63640, 108188, 135235, 216376, 270470, 540940, 1081880]

約数ペア:

[(1, 1081880), (2, 540940), (4, 270470), (5, 216376), (8, 135235), (10, 108188), (17, 63640), (20, 54094), (34, 31820), (37, 29240), (40, 27047), (43, 25160), (68, 15910), (74, 14620), (85, 12728), (86, 12580), (136, 7955), (148, 7310), (170, 6364), (172, 6290), (185, 5848), (215, 5032), (296, 3655), (340, 3182), (344, 3145), (370, 2924), (430, 2516), (629, 1720), (680, 1591), (731, 1480), (740, 1462), (860, 1258)]