818589720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16927}}^1$

素因数の和:16985

約数の個数: 128

約数和(自身を含む): 2730147840

約数和(自身を除く): 1911558120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 6045, 8060, 9672, 12090, 16120, 16927, 24180, 33854, 48360, 50781, 67708, 84635, 101562, 135416, 169270, 203124, 220051, 253905, 338540, 406248, 440102, 507810, 524737, 660153, 677080, 880204, 1015620, 1049474, 1100255, 1320306, 1574211, 1760408, 2031240, 2098948, 2200510, 2623685, 2640612, 3148422, 3300765, 4197896, 4401020, 5247370, 5281224, 6296844, 6601530, 6821581, 7871055, 8802040, 10494740, 12593688, 13203060, 13643162, 15742110, 20464743, 20989480, 26406120, 27286324, 31484220, 34107905, 40929486, 54572648, 62968440, 68215810, 81858972, 102323715, 136431620, 163717944, 204647430, 272863240, 409294860, 818589720]

約数ペア:

[(1, 818589720), (2, 409294860), (3, 272863240), (4, 204647430), (5, 163717944), (6, 136431620), (8, 102323715), (10, 81858972), (12, 68215810), (13, 62968440), (15, 54572648), (20, 40929486), (24, 34107905), (26, 31484220), (30, 27286324), (31, 26406120), (39, 20989480), (40, 20464743), (52, 15742110), (60, 13643162), (62, 13203060), (65, 12593688), (78, 10494740), (93, 8802040), (104, 7871055), (120, 6821581), (124, 6601530), (130, 6296844), (155, 5281224), (156, 5247370), (186, 4401020), (195, 4197896), (248, 3300765), (260, 3148422), (310, 2640612), (312, 2623685), (372, 2200510), (390, 2098948), (403, 2031240), (465, 1760408), (520, 1574211), (620, 1320306), (744, 1100255), (780, 1049474), (806, 1015620), (930, 880204), (1209, 677080), (1240, 660153), (1560, 524737), (1612, 507810), (1860, 440102), (2015, 406248), (2418, 338540), (3224, 253905), (3720, 220051), (4030, 203124), (4836, 169270), (6045, 135416), (8060, 101562), (9672, 84635), (12090, 67708), (16120, 50781), (16927, 48360), (24180, 33854)]