157981320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{20897}}^1$

素因数の和:20924

約数の個数: 128

約数和(自身を含む): 601862400

約数和(自身を除く): 443881080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 20897, 41794, 62691, 83588, 104485, 125382, 146279, 167176, 188073, 208970, 250764, 292558, 313455, 376146, 417940, 438837, 501528, 564219, 585116, 626910, 731395, 752292, 835880, 877674, 940365, 1128438, 1170232, 1253820, 1316511, 1462790, 1504584, 1755348, 1880730, 2194185, 2256876, 2507640, 2633022, 2821095, 2925580, 3510696, 3761460, 3949533, 4388370, 4513752, 5266044, 5642190, 5851160, 6582555, 7522920, 7899066, 8776740, 10532088, 11284380, 13165110, 15798132, 17553480, 19747665, 22568760, 26330220, 31596264, 39495330, 52660440, 78990660, 157981320]

約数ペア:

[(1, 157981320), (2, 78990660), (3, 52660440), (4, 39495330), (5, 31596264), (6, 26330220), (7, 22568760), (8, 19747665), (9, 17553480), (10, 15798132), (12, 13165110), (14, 11284380), (15, 10532088), (18, 8776740), (20, 7899066), (21, 7522920), (24, 6582555), (27, 5851160), (28, 5642190), (30, 5266044), (35, 4513752), (36, 4388370), (40, 3949533), (42, 3761460), (45, 3510696), (54, 2925580), (56, 2821095), (60, 2633022), (63, 2507640), (70, 2256876), (72, 2194185), (84, 1880730), (90, 1755348), (105, 1504584), (108, 1462790), (120, 1316511), (126, 1253820), (135, 1170232), (140, 1128438), (168, 940365), (180, 877674), (189, 835880), (210, 752292), (216, 731395), (252, 626910), (270, 585116), (280, 564219), (315, 501528), (360, 438837), (378, 417940), (420, 376146), (504, 313455), (540, 292558), (630, 250764), (756, 208970), (840, 188073), (945, 167176), (1080, 146279), (1260, 125382), (1512, 104485), (1890, 83588), (2520, 62691), (3780, 41794), (7560, 20897)]