81314520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13829}}^1$

素因数の和:13857

約数の個数: 96

約数和(自身を含む): 283791600

約数和(自身を除く): 202477080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 13829, 27658, 41487, 55316, 69145, 82974, 96803, 110632, 138290, 165948, 193606, 207435, 276580, 290409, 331896, 387212, 414870, 484015, 553160, 580818, 677621, 774424, 829740, 968030, 1161636, 1355242, 1452045, 1659480, 1936060, 2032863, 2323272, 2710484, 2904090, 3388105, 3872120, 4065726, 5420968, 5808180, 6776210, 8131452, 10164315, 11616360, 13552420, 16262904, 20328630, 27104840, 40657260, 81314520]

約数ペア:

[(1, 81314520), (2, 40657260), (3, 27104840), (4, 20328630), (5, 16262904), (6, 13552420), (7, 11616360), (8, 10164315), (10, 8131452), (12, 6776210), (14, 5808180), (15, 5420968), (20, 4065726), (21, 3872120), (24, 3388105), (28, 2904090), (30, 2710484), (35, 2323272), (40, 2032863), (42, 1936060), (49, 1659480), (56, 1452045), (60, 1355242), (70, 1161636), (84, 968030), (98, 829740), (105, 774424), (120, 677621), (140, 580818), (147, 553160), (168, 484015), (196, 414870), (210, 387212), (245, 331896), (280, 290409), (294, 276580), (392, 207435), (420, 193606), (490, 165948), (588, 138290), (735, 110632), (840, 96803), (980, 82974), (1176, 69145), (1470, 55316), (1960, 41487), (2940, 27658), (5880, 13829)]