644137920

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{24851}}^1$

素因数の和:24880

約数の個数: 140

約数和(自身を含む): 2291404104

約数和(自身を除く): 1647266184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 24851, 25920, 49702, 74553, 99404, 124255, 149106, 198808, 223659, 248510, 298212, 372765, 397616, 447318, 497020, 596424, 670977, 745530, 795232, 894636, 994040, 1118295, 1192848, 1341954, 1491060, 1590464, 1789272, 1988080, 2012931, 2236590, 2385696, 2683908, 2982120, 3354885, 3578544, 3976160, 4025862, 4473180, 4771392, 5367816, 5964240, 6709770, 7157088, 7952320, 8051724, 8946360, 10064655, 10735632, 11928480, 13419540, 14314176, 16103448, 17892720, 20129310, 21471264, 23856960, 26839080, 32206896, 35785440, 40258620, 42942528, 53678160, 64413792, 71570880, 80517240, 107356320, 128827584, 161034480, 214712640, 322068960, 644137920]

約数ペア:

[(1, 644137920), (2, 322068960), (3, 214712640), (4, 161034480), (5, 128827584), (6, 107356320), (8, 80517240), (9, 71570880), (10, 64413792), (12, 53678160), (15, 42942528), (16, 40258620), (18, 35785440), (20, 32206896), (24, 26839080), (27, 23856960), (30, 21471264), (32, 20129310), (36, 17892720), (40, 16103448), (45, 14314176), (48, 13419540), (54, 11928480), (60, 10735632), (64, 10064655), (72, 8946360), (80, 8051724), (81, 7952320), (90, 7157088), (96, 6709770), (108, 5964240), (120, 5367816), (135, 4771392), (144, 4473180), (160, 4025862), (162, 3976160), (180, 3578544), (192, 3354885), (216, 2982120), (240, 2683908), (270, 2385696), (288, 2236590), (320, 2012931), (324, 1988080), (360, 1789272), (405, 1590464), (432, 1491060), (480, 1341954), (540, 1192848), (576, 1118295), (648, 994040), (720, 894636), (810, 795232), (864, 745530), (960, 670977), (1080, 596424), (1296, 497020), (1440, 447318), (1620, 397616), (1728, 372765), (2160, 298212), (2592, 248510), (2880, 223659), (3240, 198808), (4320, 149106), (5184, 124255), (6480, 99404), (8640, 74553), (12960, 49702), (24851, 25920)]