12420720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1327}}^1$

素因数の和:1359

約数の個数: 120

約数和(自身を含む): 44955456

約数和(自身を除く): 32534736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1327, 1560, 1872, 2340, 2654, 3120, 3981, 4680, 5308, 6635, 7962, 9360, 10616, 11943, 13270, 15924, 17251, 19905, 21232, 23886, 26540, 31848, 34502, 39810, 47772, 51753, 53080, 59715, 63696, 69004, 79620, 86255, 95544, 103506, 106160, 119430, 138008, 155259, 159240, 172510, 191088, 207012, 238860, 258765, 276016, 310518, 318480, 345020, 414024, 477720, 517530, 621036, 690040, 776295, 828048, 955440, 1035060, 1242072, 1380080, 1552590, 2070120, 2484144, 3105180, 4140240, 6210360, 12420720]

約数ペア:

[(1, 12420720), (2, 6210360), (3, 4140240), (4, 3105180), (5, 2484144), (6, 2070120), (8, 1552590), (9, 1380080), (10, 1242072), (12, 1035060), (13, 955440), (15, 828048), (16, 776295), (18, 690040), (20, 621036), (24, 517530), (26, 477720), (30, 414024), (36, 345020), (39, 318480), (40, 310518), (45, 276016), (48, 258765), (52, 238860), (60, 207012), (65, 191088), (72, 172510), (78, 159240), (80, 155259), (90, 138008), (104, 119430), (117, 106160), (120, 103506), (130, 95544), (144, 86255), (156, 79620), (180, 69004), (195, 63696), (208, 59715), (234, 53080), (240, 51753), (260, 47772), (312, 39810), (360, 34502), (390, 31848), (468, 26540), (520, 23886), (585, 21232), (624, 19905), (720, 17251), (780, 15924), (936, 13270), (1040, 11943), (1170, 10616), (1327, 9360), (1560, 7962), (1872, 6635), (2340, 5308), (2654, 4680), (3120, 3981)]