2018646840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{77521}}^1$

素因数の和:77573

約数の個数: 128

約数和(自身を含む): 7144427520

約数和(自身を除く): 5125780680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 26040, 77521, 155042, 232563, 310084, 387605, 465126, 542647, 620168, 775210, 930252, 1085294, 1162815, 1550420, 1627941, 1860504, 2170588, 2325630, 2403151, 2713235, 3100840, 3255882, 4341176, 4651260, 4806302, 5426470, 6511764, 7209453, 8139705, 9302520, 9612604, 10852940, 12015755, 13023528, 14418906, 16279410, 16822057, 19225208, 21705880, 24031510, 28837812, 32558820, 33644114, 36047265, 48063020, 50466171, 57675624, 65117640, 67288228, 72094530, 84110285, 96126040, 100932342, 134576456, 144189060, 168220570, 201864684, 252330855, 288378120, 336441140, 403729368, 504661710, 672882280, 1009323420, 2018646840]

約数ペア:

[(1, 2018646840), (2, 1009323420), (3, 672882280), (4, 504661710), (5, 403729368), (6, 336441140), (7, 288378120), (8, 252330855), (10, 201864684), (12, 168220570), (14, 144189060), (15, 134576456), (20, 100932342), (21, 96126040), (24, 84110285), (28, 72094530), (30, 67288228), (31, 65117640), (35, 57675624), (40, 50466171), (42, 48063020), (56, 36047265), (60, 33644114), (62, 32558820), (70, 28837812), (84, 24031510), (93, 21705880), (105, 19225208), (120, 16822057), (124, 16279410), (140, 14418906), (155, 13023528), (168, 12015755), (186, 10852940), (210, 9612604), (217, 9302520), (248, 8139705), (280, 7209453), (310, 6511764), (372, 5426470), (420, 4806302), (434, 4651260), (465, 4341176), (620, 3255882), (651, 3100840), (744, 2713235), (840, 2403151), (868, 2325630), (930, 2170588), (1085, 1860504), (1240, 1627941), (1302, 1550420), (1736, 1162815), (1860, 1085294), (2170, 930252), (2604, 775210), (3255, 620168), (3720, 542647), (4340, 465126), (5208, 387605), (6510, 310084), (8680, 232563), (13020, 155042), (26040, 77521)]