1285990160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10391}}^1$

素因数の和:10441

約数の個数: 160

約数和(自身を含む): 3896750592

約数和(自身を除く): 2610760432

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 80, 85, 91, 104, 112, 119, 130, 136, 140, 170, 182, 208, 221, 238, 260, 272, 280, 340, 364, 442, 455, 476, 520, 560, 595, 680, 728, 884, 910, 952, 1040, 1105, 1190, 1360, 1456, 1547, 1768, 1820, 1904, 2210, 2380, 3094, 3536, 3640, 4420, 4760, 6188, 7280, 7735, 8840, 9520, 10391, 12376, 15470, 17680, 20782, 24752, 30940, 41564, 51955, 61880, 72737, 83128, 103910, 123760, 135083, 145474, 166256, 176647, 207820, 270166, 290948, 353294, 363685, 415640, 540332, 581896, 675415, 706588, 727370, 831280, 883235, 945581, 1080664, 1163792, 1236529, 1350830, 1413176, 1454740, 1766470, 1891162, 2161328, 2296411, 2473058, 2701660, 2826352, 2909480, 3532940, 3782324, 4592822, 4727905, 4946116, 5403320, 5818960, 6182645, 7065880, 7564648, 9185644, 9455810, 9892232, 10806640, 11482055, 12365290, 14131760, 15129296, 16074877, 18371288, 18911620, 19784464, 22964110, 24730580, 32149754, 36742576, 37823240, 45928220, 49461160, 64299508, 75646480, 80374385, 91856440, 98922320, 128599016, 160748770, 183712880, 257198032, 321497540, 642995080, 1285990160]

約数ペア:

[(1, 1285990160), (2, 642995080), (4, 321497540), (5, 257198032), (7, 183712880), (8, 160748770), (10, 128599016), (13, 98922320), (14, 91856440), (16, 80374385), (17, 75646480), (20, 64299508), (26, 49461160), (28, 45928220), (34, 37823240), (35, 36742576), (40, 32149754), (52, 24730580), (56, 22964110), (65, 19784464), (68, 18911620), (70, 18371288), (80, 16074877), (85, 15129296), (91, 14131760), (104, 12365290), (112, 11482055), (119, 10806640), (130, 9892232), (136, 9455810), (140, 9185644), (170, 7564648), (182, 7065880), (208, 6182645), (221, 5818960), (238, 5403320), (260, 4946116), (272, 4727905), (280, 4592822), (340, 3782324), (364, 3532940), (442, 2909480), (455, 2826352), (476, 2701660), (520, 2473058), (560, 2296411), (595, 2161328), (680, 1891162), (728, 1766470), (884, 1454740), (910, 1413176), (952, 1350830), (1040, 1236529), (1105, 1163792), (1190, 1080664), (1360, 945581), (1456, 883235), (1547, 831280), (1768, 727370), (1820, 706588), (1904, 675415), (2210, 581896), (2380, 540332), (3094, 415640), (3536, 363685), (3640, 353294), (4420, 290948), (4760, 270166), (6188, 207820), (7280, 176647), (7735, 166256), (8840, 145474), (9520, 135083), (10391, 123760), (12376, 103910), (15470, 83128), (17680, 72737), (20782, 61880), (24752, 51955), (30940, 41564)]