61897640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 167650560

約数和(自身を除く): 105752920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 53, 56, 70, 86, 97, 106, 140, 172, 194, 212, 215, 265, 280, 301, 344, 371, 388, 424, 430, 485, 530, 602, 679, 742, 776, 860, 970, 1060, 1204, 1358, 1484, 1505, 1720, 1855, 1940, 2120, 2279, 2408, 2716, 2968, 3010, 3395, 3710, 3880, 4171, 4558, 5141, 5432, 6020, 6790, 7420, 8342, 9116, 10282, 11395, 12040, 13580, 14840, 15953, 16684, 18232, 20564, 20855, 22790, 25705, 27160, 29197, 31906, 33368, 35987, 41128, 41710, 45580, 51410, 58394, 63812, 71974, 79765, 83420, 91160, 102820, 116788, 127624, 143948, 145985, 159530, 166840, 179935, 205640, 221063, 233576, 287896, 291970, 319060, 359870, 442126, 583940, 638120, 719740, 884252, 1105315, 1167880, 1439480, 1547441, 1768504, 2210630, 3094882, 4421260, 6189764, 7737205, 8842520, 12379528, 15474410, 30948820, 61897640]

約数ペア:

[(1, 61897640), (2, 30948820), (4, 15474410), (5, 12379528), (7, 8842520), (8, 7737205), (10, 6189764), (14, 4421260), (20, 3094882), (28, 2210630), (35, 1768504), (40, 1547441), (43, 1439480), (53, 1167880), (56, 1105315), (70, 884252), (86, 719740), (97, 638120), (106, 583940), (140, 442126), (172, 359870), (194, 319060), (212, 291970), (215, 287896), (265, 233576), (280, 221063), (301, 205640), (344, 179935), (371, 166840), (388, 159530), (424, 145985), (430, 143948), (485, 127624), (530, 116788), (602, 102820), (679, 91160), (742, 83420), (776, 79765), (860, 71974), (970, 63812), (1060, 58394), (1204, 51410), (1358, 45580), (1484, 41710), (1505, 41128), (1720, 35987), (1855, 33368), (1940, 31906), (2120, 29197), (2279, 27160), (2408, 25705), (2716, 22790), (2968, 20855), (3010, 20564), (3395, 18232), (3710, 16684), (3880, 15953), (4171, 14840), (4558, 13580), (5141, 12040), (5432, 11395), (6020, 10282), (6790, 9116), (7420, 8342)]