66560780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 178700256

約数和(自身を除く): 112139476

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 37, 44, 52, 55, 65, 68, 74, 85, 110, 130, 143, 148, 170, 185, 187, 220, 221, 260, 286, 340, 370, 374, 407, 442, 481, 572, 629, 715, 740, 748, 814, 884, 935, 962, 1105, 1258, 1369, 1430, 1628, 1870, 1924, 2035, 2210, 2405, 2431, 2516, 2738, 2860, 3145, 3740, 4070, 4420, 4810, 4862, 5291, 5476, 6290, 6845, 6919, 8140, 8177, 9620, 9724, 10582, 12155, 12580, 13690, 13838, 15059, 16354, 17797, 21164, 23273, 24310, 26455, 27380, 27676, 30118, 32708, 34595, 35594, 40885, 46546, 48620, 52910, 60236, 69190, 71188, 75295, 81770, 88985, 89947, 93092, 105820, 116365, 138380, 150590, 163540, 177970, 179894, 195767, 232730, 256003, 301180, 302549, 355940, 359788, 391534, 449735, 465460, 512006, 605098, 783068, 899470, 978835, 1024012, 1210196, 1280015, 1512745, 1798940, 1957670, 2560030, 3025490, 3328039, 3915340, 5120060, 6050980, 6656078, 13312156, 16640195, 33280390, 66560780]

約数ペア:

[(1, 66560780), (2, 33280390), (4, 16640195), (5, 13312156), (10, 6656078), (11, 6050980), (13, 5120060), (17, 3915340), (20, 3328039), (22, 3025490), (26, 2560030), (34, 1957670), (37, 1798940), (44, 1512745), (52, 1280015), (55, 1210196), (65, 1024012), (68, 978835), (74, 899470), (85, 783068), (110, 605098), (130, 512006), (143, 465460), (148, 449735), (170, 391534), (185, 359788), (187, 355940), (220, 302549), (221, 301180), (260, 256003), (286, 232730), (340, 195767), (370, 179894), (374, 177970), (407, 163540), (442, 150590), (481, 138380), (572, 116365), (629, 105820), (715, 93092), (740, 89947), (748, 88985), (814, 81770), (884, 75295), (935, 71188), (962, 69190), (1105, 60236), (1258, 52910), (1369, 48620), (1430, 46546), (1628, 40885), (1870, 35594), (1924, 34595), (2035, 32708), (2210, 30118), (2405, 27676), (2431, 27380), (2516, 26455), (2738, 24310), (2860, 23273), (3145, 21164), (3740, 17797), (4070, 16354), (4420, 15059), (4810, 13838), (4862, 13690), (5291, 12580), (5476, 12155), (6290, 10582), (6845, 9724), (6919, 9620), (8140, 8177)]