158821320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2663}}^1$

素因数の和:2755

約数の個数: 128

約数和(自身を含む): 552407040

約数和(自身を除く): 393585720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2663, 2840, 2982, 3976, 4260, 4970, 5326, 5964, 7455, 7989, 8520, 9940, 10652, 11928, 13315, 14910, 15978, 18641, 19880, 21304, 26630, 29820, 31956, 37282, 39945, 53260, 55923, 59640, 63912, 74564, 79890, 93205, 106520, 111846, 149128, 159780, 186410, 189073, 223692, 279615, 319560, 372820, 378146, 447384, 559230, 567219, 745640, 756292, 945365, 1118460, 1134438, 1323511, 1512584, 1890730, 2236920, 2268876, 2647022, 2836095, 3781460, 3970533, 4537752, 5294044, 5672190, 6617555, 7562920, 7941066, 10588088, 11344380, 13235110, 15882132, 19852665, 22688760, 26470220, 31764264, 39705330, 52940440, 79410660, 158821320]

約数ペア:

[(1, 158821320), (2, 79410660), (3, 52940440), (4, 39705330), (5, 31764264), (6, 26470220), (7, 22688760), (8, 19852665), (10, 15882132), (12, 13235110), (14, 11344380), (15, 10588088), (20, 7941066), (21, 7562920), (24, 6617555), (28, 5672190), (30, 5294044), (35, 4537752), (40, 3970533), (42, 3781460), (56, 2836095), (60, 2647022), (70, 2268876), (71, 2236920), (84, 1890730), (105, 1512584), (120, 1323511), (140, 1134438), (142, 1118460), (168, 945365), (210, 756292), (213, 745640), (280, 567219), (284, 559230), (355, 447384), (420, 378146), (426, 372820), (497, 319560), (568, 279615), (710, 223692), (840, 189073), (852, 186410), (994, 159780), (1065, 149128), (1420, 111846), (1491, 106520), (1704, 93205), (1988, 79890), (2130, 74564), (2485, 63912), (2663, 59640), (2840, 55923), (2982, 53260), (3976, 39945), (4260, 37282), (4970, 31956), (5326, 29820), (5964, 26630), (7455, 21304), (7989, 19880), (8520, 18641), (9940, 15978), (10652, 14910), (11928, 13315)]