130719560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 305510400

約数和(自身を除く): 174790840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 271, 310, 389, 542, 620, 778, 1084, 1240, 1355, 1556, 1945, 2168, 2710, 3112, 3890, 5420, 7780, 8401, 10840, 12059, 15560, 16802, 24118, 33604, 42005, 48236, 60295, 67208, 84010, 96472, 105419, 120590, 168020, 210838, 241180, 336040, 421676, 482360, 527095, 843352, 1054190, 2108380, 3267989, 4216760, 6535978, 13071956, 16339945, 26143912, 32679890, 65359780, 130719560]

約数ペア:

[(1, 130719560), (2, 65359780), (4, 32679890), (5, 26143912), (8, 16339945), (10, 13071956), (20, 6535978), (31, 4216760), (40, 3267989), (62, 2108380), (124, 1054190), (155, 843352), (248, 527095), (271, 482360), (310, 421676), (389, 336040), (542, 241180), (620, 210838), (778, 168020), (1084, 120590), (1240, 105419), (1355, 96472), (1556, 84010), (1945, 67208), (2168, 60295), (2710, 48236), (3112, 42005), (3890, 33604), (5420, 24118), (7780, 16802), (8401, 15560), (10840, 12059)]