71568420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2213}}^1$

素因数の和:2250

約数の個数: 144

約数和(自身を含む): 254415168

約数和(自身を除く): 182846748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 588, 660, 735, 770, 924, 980, 1078, 1155, 1470, 1540, 1617, 2156, 2213, 2310, 2695, 2940, 3234, 4426, 4620, 5390, 6468, 6639, 8085, 8852, 10780, 11065, 13278, 15491, 16170, 22130, 24343, 26556, 30982, 32340, 33195, 44260, 46473, 48686, 61964, 66390, 73029, 77455, 92946, 97372, 108437, 121715, 132780, 146058, 154910, 170401, 185892, 216874, 232365, 243430, 292116, 309820, 325311, 340802, 365145, 433748, 464730, 486860, 511203, 542185, 650622, 681604, 730290, 852005, 929460, 1022406, 1084370, 1192807, 1301244, 1460580, 1626555, 1704010, 2044812, 2168740, 2385614, 2556015, 3253110, 3408020, 3578421, 4771228, 5112030, 5964035, 6506220, 7156842, 10224060, 11928070, 14313684, 17892105, 23856140, 35784210, 71568420]

約数ペア:

[(1, 71568420), (2, 35784210), (3, 23856140), (4, 17892105), (5, 14313684), (6, 11928070), (7, 10224060), (10, 7156842), (11, 6506220), (12, 5964035), (14, 5112030), (15, 4771228), (20, 3578421), (21, 3408020), (22, 3253110), (28, 2556015), (30, 2385614), (33, 2168740), (35, 2044812), (42, 1704010), (44, 1626555), (49, 1460580), (55, 1301244), (60, 1192807), (66, 1084370), (70, 1022406), (77, 929460), (84, 852005), (98, 730290), (105, 681604), (110, 650622), (132, 542185), (140, 511203), (147, 486860), (154, 464730), (165, 433748), (196, 365145), (210, 340802), (220, 325311), (231, 309820), (245, 292116), (294, 243430), (308, 232365), (330, 216874), (385, 185892), (420, 170401), (462, 154910), (490, 146058), (539, 132780), (588, 121715), (660, 108437), (735, 97372), (770, 92946), (924, 77455), (980, 73029), (1078, 66390), (1155, 61964), (1470, 48686), (1540, 46473), (1617, 44260), (2156, 33195), (2213, 32340), (2310, 30982), (2695, 26556), (2940, 24343), (3234, 22130), (4426, 16170), (4620, 15491), (5390, 13278), (6468, 11065), (6639, 10780), (8085, 8852)]