12681480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:539

約数の個数: 128

約数和(自身を含む): 44974080

約数和(自身を除く): 32292600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 487, 620, 651, 744, 840, 868, 930, 974, 1085, 1240, 1302, 1461, 1736, 1860, 1948, 2170, 2435, 2604, 2922, 3255, 3409, 3720, 3896, 4340, 4870, 5208, 5844, 6510, 6818, 7305, 8680, 9740, 10227, 11688, 13020, 13636, 14610, 15097, 17045, 19480, 20454, 26040, 27272, 29220, 30194, 34090, 40908, 45291, 51135, 58440, 60388, 68180, 75485, 81816, 90582, 102270, 105679, 120776, 136360, 150970, 181164, 204540, 211358, 226455, 301940, 317037, 362328, 409080, 422716, 452910, 528395, 603880, 634074, 845432, 905820, 1056790, 1268148, 1585185, 1811640, 2113580, 2536296, 3170370, 4227160, 6340740, 12681480]

約数ペア:

[(1, 12681480), (2, 6340740), (3, 4227160), (4, 3170370), (5, 2536296), (6, 2113580), (7, 1811640), (8, 1585185), (10, 1268148), (12, 1056790), (14, 905820), (15, 845432), (20, 634074), (21, 603880), (24, 528395), (28, 452910), (30, 422716), (31, 409080), (35, 362328), (40, 317037), (42, 301940), (56, 226455), (60, 211358), (62, 204540), (70, 181164), (84, 150970), (93, 136360), (105, 120776), (120, 105679), (124, 102270), (140, 90582), (155, 81816), (168, 75485), (186, 68180), (210, 60388), (217, 58440), (248, 51135), (280, 45291), (310, 40908), (372, 34090), (420, 30194), (434, 29220), (465, 27272), (487, 26040), (620, 20454), (651, 19480), (744, 17045), (840, 15097), (868, 14610), (930, 13636), (974, 13020), (1085, 11688), (1240, 10227), (1302, 9740), (1461, 8680), (1736, 7305), (1860, 6818), (1948, 6510), (2170, 5844), (2435, 5208), (2604, 4870), (2922, 4340), (3255, 3896), (3409, 3720)]