80805780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1103}}^1$

素因数の和:1166

約数の個数: 144

約数和(自身を含む): 274869504

約数和(自身を除く): 194063724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 37, 44, 45, 55, 60, 66, 74, 90, 99, 110, 111, 132, 148, 165, 180, 185, 198, 220, 222, 330, 333, 370, 396, 407, 444, 495, 555, 660, 666, 740, 814, 990, 1103, 1110, 1221, 1332, 1628, 1665, 1980, 2035, 2206, 2220, 2442, 3309, 3330, 3663, 4070, 4412, 4884, 5515, 6105, 6618, 6660, 7326, 8140, 9927, 11030, 12133, 12210, 13236, 14652, 16545, 18315, 19854, 22060, 24266, 24420, 33090, 36399, 36630, 39708, 40811, 48532, 49635, 60665, 66180, 72798, 73260, 81622, 99270, 109197, 121330, 122433, 145596, 163244, 181995, 198540, 204055, 218394, 242660, 244866, 363990, 367299, 408110, 436788, 448921, 489732, 545985, 612165, 727980, 734598, 816220, 897842, 1091970, 1224330, 1346763, 1469196, 1795684, 1836495, 2183940, 2244605, 2448660, 2693526, 3672990, 4040289, 4489210, 5387052, 6733815, 7345980, 8080578, 8978420, 13467630, 16161156, 20201445, 26935260, 40402890, 80805780]

約数ペア:

[(1, 80805780), (2, 40402890), (3, 26935260), (4, 20201445), (5, 16161156), (6, 13467630), (9, 8978420), (10, 8080578), (11, 7345980), (12, 6733815), (15, 5387052), (18, 4489210), (20, 4040289), (22, 3672990), (30, 2693526), (33, 2448660), (36, 2244605), (37, 2183940), (44, 1836495), (45, 1795684), (55, 1469196), (60, 1346763), (66, 1224330), (74, 1091970), (90, 897842), (99, 816220), (110, 734598), (111, 727980), (132, 612165), (148, 545985), (165, 489732), (180, 448921), (185, 436788), (198, 408110), (220, 367299), (222, 363990), (330, 244866), (333, 242660), (370, 218394), (396, 204055), (407, 198540), (444, 181995), (495, 163244), (555, 145596), (660, 122433), (666, 121330), (740, 109197), (814, 99270), (990, 81622), (1103, 73260), (1110, 72798), (1221, 66180), (1332, 60665), (1628, 49635), (1665, 48532), (1980, 40811), (2035, 39708), (2206, 36630), (2220, 36399), (2442, 33090), (3309, 24420), (3330, 24266), (3663, 22060), (4070, 19854), (4412, 18315), (4884, 16545), (5515, 14652), (6105, 13236), (6618, 12210), (6660, 12133), (7326, 11030), (8140, 9927)]