8656440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 29030400

約数和(自身を除く): 20373960

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, 179, 186, 195, 248, 260, 310, 312, 358, 372, 390, 403, 465, 520, 537, 620, 716, 744, 780, 806, 895, 930, 1074, 1209, 1240, 1432, 1560, 1612, 1790, 1860, 2015, 2148, 2327, 2418, 2685, 3224, 3580, 3720, 4030, 4296, 4654, 4836, 5370, 5549, 6045, 6981, 7160, 8060, 9308, 9672, 10740, 11098, 11635, 12090, 13962, 16120, 16647, 18616, 21480, 22196, 23270, 24180, 27745, 27924, 33294, 34905, 44392, 46540, 48360, 55490, 55848, 66588, 69810, 72137, 83235, 93080, 110980, 133176, 139620, 144274, 166470, 216411, 221960, 279240, 288548, 332940, 360685, 432822, 577096, 665880, 721370, 865644, 1082055, 1442740, 1731288, 2164110, 2885480, 4328220, 8656440]

約数ペア:

[(1, 8656440), (2, 4328220), (3, 2885480), (4, 2164110), (5, 1731288), (6, 1442740), (8, 1082055), (10, 865644), (12, 721370), (13, 665880), (15, 577096), (20, 432822), (24, 360685), (26, 332940), (30, 288548), (31, 279240), (39, 221960), (40, 216411), (52, 166470), (60, 144274), (62, 139620), (65, 133176), (78, 110980), (93, 93080), (104, 83235), (120, 72137), (124, 69810), (130, 66588), (155, 55848), (156, 55490), (179, 48360), (186, 46540), (195, 44392), (248, 34905), (260, 33294), (310, 27924), (312, 27745), (358, 24180), (372, 23270), (390, 22196), (403, 21480), (465, 18616), (520, 16647), (537, 16120), (620, 13962), (716, 12090), (744, 11635), (780, 11098), (806, 10740), (895, 9672), (930, 9308), (1074, 8060), (1209, 7160), (1240, 6981), (1432, 6045), (1560, 5549), (1612, 5370), (1790, 4836), (1860, 4654), (2015, 4296), (2148, 4030), (2327, 3720), (2418, 3580), (2685, 3224)]