12984660

素因数分解:

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

素因数の和:238

約数の個数: 144

約数和(自身を含む): 44029440

約数和(自身を除く): 31044780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 179, 180, 186, 195, 234, 260, 279, 310, 358, 372, 390, 403, 465, 468, 537, 558, 585, 620, 716, 780, 806, 895, 930, 1074, 1116, 1170, 1209, 1395, 1611, 1612, 1790, 1860, 2015, 2148, 2327, 2340, 2418, 2685, 2790, 3222, 3580, 3627, 4030, 4654, 4836, 5370, 5549, 5580, 6045, 6444, 6981, 7254, 8055, 8060, 9308, 10740, 11098, 11635, 12090, 13962, 14508, 16110, 16647, 18135, 20943, 22196, 23270, 24180, 27745, 27924, 32220, 33294, 34905, 36270, 41886, 46540, 49941, 55490, 66588, 69810, 72137, 72540, 83235, 83772, 99882, 104715, 110980, 139620, 144274, 166470, 199764, 209430, 216411, 249705, 288548, 332940, 360685, 418860, 432822, 499410, 649233, 721370, 865644, 998820, 1082055, 1298466, 1442740, 2164110, 2596932, 3246165, 4328220, 6492330, 12984660]

約数ペア:

[(1, 12984660), (2, 6492330), (3, 4328220), (4, 3246165), (5, 2596932), (6, 2164110), (9, 1442740), (10, 1298466), (12, 1082055), (13, 998820), (15, 865644), (18, 721370), (20, 649233), (26, 499410), (30, 432822), (31, 418860), (36, 360685), (39, 332940), (45, 288548), (52, 249705), (60, 216411), (62, 209430), (65, 199764), (78, 166470), (90, 144274), (93, 139620), (117, 110980), (124, 104715), (130, 99882), (155, 83772), (156, 83235), (179, 72540), (180, 72137), (186, 69810), (195, 66588), (234, 55490), (260, 49941), (279, 46540), (310, 41886), (358, 36270), (372, 34905), (390, 33294), (403, 32220), (465, 27924), (468, 27745), (537, 24180), (558, 23270), (585, 22196), (620, 20943), (716, 18135), (780, 16647), (806, 16110), (895, 14508), (930, 13962), (1074, 12090), (1116, 11635), (1170, 11098), (1209, 10740), (1395, 9308), (1611, 8060), (1612, 8055), (1790, 7254), (1860, 6981), (2015, 6444), (2148, 6045), (2327, 5580), (2340, 5549), (2418, 5370), (2685, 4836), (2790, 4654), (3222, 4030), (3580, 3627)]