16665120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 58024512

約数和(自身を除く): 41359392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 163, 180, 213, 240, 284, 288, 326, 355, 360, 426, 480, 489, 568, 639, 652, 710, 720, 815, 852, 978, 1065, 1136, 1278, 1304, 1420, 1440, 1467, 1630, 1704, 1956, 2130, 2272, 2445, 2556, 2608, 2840, 2934, 3195, 3260, 3408, 3912, 4260, 4890, 5112, 5216, 5680, 5868, 6390, 6520, 6816, 7335, 7824, 8520, 9780, 10224, 11360, 11573, 11736, 12780, 13040, 14670, 15648, 17040, 19560, 20448, 23146, 23472, 25560, 26080, 29340, 34080, 34719, 39120, 46292, 46944, 51120, 57865, 58680, 69438, 78240, 92584, 102240, 104157, 115730, 117360, 138876, 173595, 185168, 208314, 231460, 234720, 277752, 347190, 370336, 416628, 462920, 520785, 555504, 694380, 833256, 925840, 1041570, 1111008, 1388760, 1666512, 1851680, 2083140, 2777520, 3333024, 4166280, 5555040, 8332560, 16665120]

約数ペア:

[(1, 16665120), (2, 8332560), (3, 5555040), (4, 4166280), (5, 3333024), (6, 2777520), (8, 2083140), (9, 1851680), (10, 1666512), (12, 1388760), (15, 1111008), (16, 1041570), (18, 925840), (20, 833256), (24, 694380), (30, 555504), (32, 520785), (36, 462920), (40, 416628), (45, 370336), (48, 347190), (60, 277752), (71, 234720), (72, 231460), (80, 208314), (90, 185168), (96, 173595), (120, 138876), (142, 117360), (144, 115730), (160, 104157), (163, 102240), (180, 92584), (213, 78240), (240, 69438), (284, 58680), (288, 57865), (326, 51120), (355, 46944), (360, 46292), (426, 39120), (480, 34719), (489, 34080), (568, 29340), (639, 26080), (652, 25560), (710, 23472), (720, 23146), (815, 20448), (852, 19560), (978, 17040), (1065, 15648), (1136, 14670), (1278, 13040), (1304, 12780), (1420, 11736), (1440, 11573), (1467, 11360), (1630, 10224), (1704, 9780), (1956, 8520), (2130, 7824), (2272, 7335), (2445, 6816), (2556, 6520), (2608, 6390), (2840, 5868), (2934, 5680), (3195, 5216), (3260, 5112), (3408, 4890), (3912, 4260)]