64556140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 160792128

約数和(自身を除く): 96235988

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 41, 44, 55, 68, 82, 85, 110, 164, 170, 187, 205, 220, 340, 374, 410, 421, 451, 697, 748, 820, 842, 902, 935, 1394, 1684, 1804, 1870, 2105, 2255, 2788, 3485, 3740, 4210, 4510, 4631, 6970, 7157, 7667, 8420, 9020, 9262, 13940, 14314, 15334, 17261, 18524, 23155, 28628, 30668, 34522, 35785, 38335, 46310, 69044, 71570, 76670, 78727, 86305, 92620, 143140, 153340, 157454, 172610, 189871, 293437, 314908, 345220, 379742, 393635, 586874, 759484, 787270, 949355, 1173748, 1467185, 1574540, 1898710, 2934370, 3227807, 3797420, 5868740, 6455614, 12911228, 16139035, 32278070, 64556140]

約数ペア:

[(1, 64556140), (2, 32278070), (4, 16139035), (5, 12911228), (10, 6455614), (11, 5868740), (17, 3797420), (20, 3227807), (22, 2934370), (34, 1898710), (41, 1574540), (44, 1467185), (55, 1173748), (68, 949355), (82, 787270), (85, 759484), (110, 586874), (164, 393635), (170, 379742), (187, 345220), (205, 314908), (220, 293437), (340, 189871), (374, 172610), (410, 157454), (421, 153340), (451, 143140), (697, 92620), (748, 86305), (820, 78727), (842, 76670), (902, 71570), (935, 69044), (1394, 46310), (1684, 38335), (1804, 35785), (1870, 34522), (2105, 30668), (2255, 28628), (2788, 23155), (3485, 18524), (3740, 17261), (4210, 15334), (4510, 14314), (4631, 13940), (6970, 9262), (7157, 9020), (7667, 8420)]