28018380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2113}}^1$

素因数の和:2155

約数の個数: 96

約数和(自身を含む): 89498304

約数和(自身を除く): 61479924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 2113, 2210, 2652, 3315, 4226, 4420, 6339, 6630, 8452, 10565, 12678, 13260, 21130, 25356, 27469, 31695, 35921, 42260, 54938, 63390, 71842, 82407, 107763, 109876, 126780, 137345, 143684, 164814, 179605, 215526, 274690, 329628, 359210, 412035, 431052, 466973, 538815, 549380, 718420, 824070, 933946, 1077630, 1400919, 1648140, 1867892, 2155260, 2334865, 2801838, 4669730, 5603676, 7004595, 9339460, 14009190, 28018380]

約数ペア:

[(1, 28018380), (2, 14009190), (3, 9339460), (4, 7004595), (5, 5603676), (6, 4669730), (10, 2801838), (12, 2334865), (13, 2155260), (15, 1867892), (17, 1648140), (20, 1400919), (26, 1077630), (30, 933946), (34, 824070), (39, 718420), (51, 549380), (52, 538815), (60, 466973), (65, 431052), (68, 412035), (78, 359210), (85, 329628), (102, 274690), (130, 215526), (156, 179605), (170, 164814), (195, 143684), (204, 137345), (221, 126780), (255, 109876), (260, 107763), (340, 82407), (390, 71842), (442, 63390), (510, 54938), (663, 42260), (780, 35921), (884, 31695), (1020, 27469), (1105, 25356), (1326, 21130), (2113, 13260), (2210, 12678), (2652, 10565), (3315, 8452), (4226, 6630), (4420, 6339)]