159782840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:661

約数の個数: 128

約数和(自身を含む): 439464960

約数和(自身を除く): 279682120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 43, 46, 56, 70, 86, 92, 115, 140, 161, 172, 184, 215, 230, 280, 301, 322, 344, 430, 460, 577, 602, 644, 805, 860, 920, 989, 1154, 1204, 1288, 1505, 1610, 1720, 1978, 2308, 2408, 2885, 3010, 3220, 3956, 4039, 4616, 4945, 5770, 6020, 6440, 6923, 7912, 8078, 9890, 11540, 12040, 13271, 13846, 16156, 19780, 20195, 23080, 24811, 26542, 27692, 32312, 34615, 39560, 40390, 49622, 53084, 55384, 66355, 69230, 80780, 92897, 99244, 106168, 124055, 132710, 138460, 161560, 173677, 185794, 198488, 248110, 265420, 276920, 347354, 371588, 464485, 496220, 530840, 570653, 694708, 743176, 868385, 928970, 992440, 1141306, 1389416, 1736770, 1857940, 2282612, 2853265, 3473540, 3715880, 3994571, 4565224, 5706530, 6947080, 7989142, 11413060, 15978284, 19972855, 22826120, 31956568, 39945710, 79891420, 159782840]

約数ペア:

[(1, 159782840), (2, 79891420), (4, 39945710), (5, 31956568), (7, 22826120), (8, 19972855), (10, 15978284), (14, 11413060), (20, 7989142), (23, 6947080), (28, 5706530), (35, 4565224), (40, 3994571), (43, 3715880), (46, 3473540), (56, 2853265), (70, 2282612), (86, 1857940), (92, 1736770), (115, 1389416), (140, 1141306), (161, 992440), (172, 928970), (184, 868385), (215, 743176), (230, 694708), (280, 570653), (301, 530840), (322, 496220), (344, 464485), (430, 371588), (460, 347354), (577, 276920), (602, 265420), (644, 248110), (805, 198488), (860, 185794), (920, 173677), (989, 161560), (1154, 138460), (1204, 132710), (1288, 124055), (1505, 106168), (1610, 99244), (1720, 92897), (1978, 80780), (2308, 69230), (2408, 66355), (2885, 55384), (3010, 53084), (3220, 49622), (3956, 40390), (4039, 39560), (4616, 34615), (4945, 32312), (5770, 27692), (6020, 26542), (6440, 24811), (6923, 23080), (7912, 20195), (8078, 19780), (9890, 16156), (11540, 13846), (12040, 13271)]