31312710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:851

約数の個数: 128

約数和(自身を含む): 98219520

約数和(自身を除く): 66906810

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 27, 30, 33, 39, 45, 54, 55, 65, 66, 78, 90, 99, 110, 117, 130, 135, 143, 165, 195, 198, 234, 270, 286, 297, 330, 351, 390, 429, 495, 585, 594, 702, 715, 811, 858, 990, 1170, 1287, 1430, 1485, 1622, 1755, 2145, 2433, 2574, 2970, 3510, 3861, 4055, 4290, 4866, 6435, 7299, 7722, 8110, 8921, 10543, 12165, 12870, 14598, 17842, 19305, 21086, 21897, 24330, 26763, 31629, 36495, 38610, 43794, 44605, 52715, 53526, 63258, 72990, 80289, 89210, 94887, 105430, 109485, 115973, 133815, 158145, 160578, 189774, 218970, 231946, 240867, 267630, 284661, 316290, 347919, 401445, 474435, 481734, 569322, 579865, 695838, 802890, 948870, 1043757, 1159730, 1204335, 1423305, 1739595, 2087514, 2408670, 2846610, 3131271, 3479190, 5218785, 6262542, 10437570, 15656355, 31312710]

約数ペア:

[(1, 31312710), (2, 15656355), (3, 10437570), (5, 6262542), (6, 5218785), (9, 3479190), (10, 3131271), (11, 2846610), (13, 2408670), (15, 2087514), (18, 1739595), (22, 1423305), (26, 1204335), (27, 1159730), (30, 1043757), (33, 948870), (39, 802890), (45, 695838), (54, 579865), (55, 569322), (65, 481734), (66, 474435), (78, 401445), (90, 347919), (99, 316290), (110, 284661), (117, 267630), (130, 240867), (135, 231946), (143, 218970), (165, 189774), (195, 160578), (198, 158145), (234, 133815), (270, 115973), (286, 109485), (297, 105430), (330, 94887), (351, 89210), (390, 80289), (429, 72990), (495, 63258), (585, 53526), (594, 52715), (702, 44605), (715, 43794), (811, 38610), (858, 36495), (990, 31629), (1170, 26763), (1287, 24330), (1430, 21897), (1485, 21086), (1622, 19305), (1755, 17842), (2145, 14598), (2433, 12870), (2574, 12165), (2970, 10543), (3510, 8921), (3861, 8110), (4055, 7722), (4290, 7299), (4866, 6435)]