80997960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 252927360

約数和(自身を除く): 171929400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 101, 120, 123, 163, 164, 202, 205, 246, 303, 326, 328, 404, 410, 489, 492, 505, 606, 615, 652, 808, 815, 820, 978, 984, 1010, 1212, 1230, 1304, 1515, 1630, 1640, 1956, 2020, 2424, 2445, 2460, 3030, 3260, 3912, 4040, 4141, 4890, 4920, 6060, 6520, 6683, 8282, 9780, 12120, 12423, 13366, 16463, 16564, 19560, 20049, 20705, 24846, 26732, 32926, 33128, 33415, 40098, 41410, 49389, 49692, 53464, 62115, 65852, 66830, 80196, 82315, 82820, 98778, 99384, 100245, 124230, 131704, 133660, 160392, 164630, 165640, 197556, 200490, 246945, 248460, 267320, 329260, 395112, 400980, 493890, 496920, 658520, 674983, 801960, 987780, 1349966, 1975560, 2024949, 2699932, 3374915, 4049898, 5399864, 6749830, 8099796, 10124745, 13499660, 16199592, 20249490, 26999320, 40498980, 80997960]

約数ペア:

[(1, 80997960), (2, 40498980), (3, 26999320), (4, 20249490), (5, 16199592), (6, 13499660), (8, 10124745), (10, 8099796), (12, 6749830), (15, 5399864), (20, 4049898), (24, 3374915), (30, 2699932), (40, 2024949), (41, 1975560), (60, 1349966), (82, 987780), (101, 801960), (120, 674983), (123, 658520), (163, 496920), (164, 493890), (202, 400980), (205, 395112), (246, 329260), (303, 267320), (326, 248460), (328, 246945), (404, 200490), (410, 197556), (489, 165640), (492, 164630), (505, 160392), (606, 133660), (615, 131704), (652, 124230), (808, 100245), (815, 99384), (820, 98778), (978, 82820), (984, 82315), (1010, 80196), (1212, 66830), (1230, 65852), (1304, 62115), (1515, 53464), (1630, 49692), (1640, 49389), (1956, 41410), (2020, 40098), (2424, 33415), (2445, 33128), (2460, 32926), (3030, 26732), (3260, 24846), (3912, 20705), (4040, 20049), (4141, 19560), (4890, 16564), (4920, 16463), (6060, 13366), (6520, 12423), (6683, 12120), (8282, 9780)]