85374660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 282683520

約数和(自身を除く): 197308860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 355, 409, 420, 426, 490, 497, 588, 710, 735, 818, 852, 980, 994, 1065, 1227, 1420, 1470, 1491, 1636, 1988, 2045, 2130, 2454, 2485, 2863, 2940, 2982, 3479, 4090, 4260, 4908, 4970, 5726, 5964, 6135, 6958, 7455, 8180, 8589, 9940, 10437, 11452, 12270, 13916, 14315, 14910, 17178, 17395, 20041, 20874, 24540, 28630, 29039, 29820, 34356, 34790, 40082, 41748, 42945, 52185, 57260, 58078, 60123, 69580, 80164, 85890, 87117, 100205, 104370, 116156, 120246, 145195, 171780, 174234, 200410, 203273, 208740, 240492, 290390, 300615, 348468, 400820, 406546, 435585, 580780, 601230, 609819, 813092, 871170, 1016365, 1202460, 1219638, 1422911, 1742340, 2032730, 2439276, 2845822, 3049095, 4065460, 4268733, 5691644, 6098190, 7114555, 8537466, 12196380, 14229110, 17074932, 21343665, 28458220, 42687330, 85374660]

約数ペア:

[(1, 85374660), (2, 42687330), (3, 28458220), (4, 21343665), (5, 17074932), (6, 14229110), (7, 12196380), (10, 8537466), (12, 7114555), (14, 6098190), (15, 5691644), (20, 4268733), (21, 4065460), (28, 3049095), (30, 2845822), (35, 2439276), (42, 2032730), (49, 1742340), (60, 1422911), (70, 1219638), (71, 1202460), (84, 1016365), (98, 871170), (105, 813092), (140, 609819), (142, 601230), (147, 580780), (196, 435585), (210, 406546), (213, 400820), (245, 348468), (284, 300615), (294, 290390), (355, 240492), (409, 208740), (420, 203273), (426, 200410), (490, 174234), (497, 171780), (588, 145195), (710, 120246), (735, 116156), (818, 104370), (852, 100205), (980, 87117), (994, 85890), (1065, 80164), (1227, 69580), (1420, 60123), (1470, 58078), (1491, 57260), (1636, 52185), (1988, 42945), (2045, 41748), (2130, 40082), (2454, 34790), (2485, 34356), (2863, 29820), (2940, 29039), (2982, 28630), (3479, 24540), (4090, 20874), (4260, 20041), (4908, 17395), (4970, 17178), (5726, 14910), (5964, 14315), (6135, 13916), (6958, 12270), (7455, 11452), (8180, 10437), (8589, 9940)]