68231540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 167650560

約数和(自身を除く): 99419020

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 43, 52, 65, 68, 85, 86, 130, 170, 172, 215, 221, 260, 340, 359, 430, 442, 559, 718, 731, 860, 884, 1105, 1118, 1436, 1462, 1795, 2210, 2236, 2795, 2924, 3590, 3655, 4420, 4667, 5590, 6103, 7180, 7310, 9334, 9503, 11180, 12206, 14620, 15437, 18668, 19006, 23335, 24412, 30515, 30874, 38012, 46670, 47515, 61030, 61748, 77185, 79339, 93340, 95030, 122060, 154370, 158678, 190060, 200681, 262429, 308740, 317356, 396695, 401362, 524858, 793390, 802724, 1003405, 1049716, 1312145, 1586780, 2006810, 2624290, 3411577, 4013620, 5248580, 6823154, 13646308, 17057885, 34115770, 68231540]

約数ペア:

[(1, 68231540), (2, 34115770), (4, 17057885), (5, 13646308), (10, 6823154), (13, 5248580), (17, 4013620), (20, 3411577), (26, 2624290), (34, 2006810), (43, 1586780), (52, 1312145), (65, 1049716), (68, 1003405), (85, 802724), (86, 793390), (130, 524858), (170, 401362), (172, 396695), (215, 317356), (221, 308740), (260, 262429), (340, 200681), (359, 190060), (430, 158678), (442, 154370), (559, 122060), (718, 95030), (731, 93340), (860, 79339), (884, 77185), (1105, 61748), (1118, 61030), (1436, 47515), (1462, 46670), (1795, 38012), (2210, 30874), (2236, 30515), (2795, 24412), (2924, 23335), (3590, 19006), (3655, 18668), (4420, 15437), (4667, 14620), (5590, 12206), (6103, 11180), (7180, 9503), (7310, 9334)]