121820580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{887}}^1$

素因数の和:1018

約数の個数: 144

約数和(自身を含む): 426666240

約数和(自身を除く): 304845660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 109, 126, 140, 180, 210, 218, 252, 315, 327, 420, 436, 545, 630, 654, 763, 887, 981, 1090, 1260, 1308, 1526, 1635, 1774, 1962, 2180, 2289, 2661, 3052, 3270, 3548, 3815, 3924, 4435, 4578, 4905, 5322, 6209, 6540, 6867, 7630, 7983, 8870, 9156, 9810, 10644, 11445, 12418, 13305, 13734, 15260, 15966, 17740, 18627, 19620, 22890, 24836, 26610, 27468, 31045, 31932, 34335, 37254, 39915, 45780, 53220, 55881, 62090, 68670, 74508, 79830, 93135, 96683, 111762, 124180, 137340, 159660, 186270, 193366, 223524, 279405, 290049, 372540, 386732, 483415, 558810, 580098, 676781, 870147, 966830, 1117620, 1160196, 1353562, 1450245, 1740294, 1933660, 2030343, 2707124, 2900490, 3383905, 3480588, 4060686, 4350735, 5800980, 6091029, 6767810, 8121372, 8701470, 10151715, 12182058, 13535620, 17402940, 20303430, 24364116, 30455145, 40606860, 60910290, 121820580]

約数ペア:

[(1, 121820580), (2, 60910290), (3, 40606860), (4, 30455145), (5, 24364116), (6, 20303430), (7, 17402940), (9, 13535620), (10, 12182058), (12, 10151715), (14, 8701470), (15, 8121372), (18, 6767810), (20, 6091029), (21, 5800980), (28, 4350735), (30, 4060686), (35, 3480588), (36, 3383905), (42, 2900490), (45, 2707124), (60, 2030343), (63, 1933660), (70, 1740294), (84, 1450245), (90, 1353562), (105, 1160196), (109, 1117620), (126, 966830), (140, 870147), (180, 676781), (210, 580098), (218, 558810), (252, 483415), (315, 386732), (327, 372540), (420, 290049), (436, 279405), (545, 223524), (630, 193366), (654, 186270), (763, 159660), (887, 137340), (981, 124180), (1090, 111762), (1260, 96683), (1308, 93135), (1526, 79830), (1635, 74508), (1774, 68670), (1962, 62090), (2180, 55881), (2289, 53220), (2661, 45780), (3052, 39915), (3270, 37254), (3548, 34335), (3815, 31932), (3924, 31045), (4435, 27468), (4578, 26610), (4905, 24836), (5322, 22890), (6209, 19620), (6540, 18627), (6867, 17740), (7630, 15966), (7983, 15260), (8870, 13734), (9156, 13305), (9810, 12418), (10644, 11445)]