61465890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 155001600

約数和(自身を除く): 93535710

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 229, 230, 345, 389, 458, 687, 690, 778, 1145, 1167, 1374, 1945, 2290, 2334, 3435, 3890, 5267, 5835, 6870, 8947, 10534, 11670, 15801, 17894, 26335, 26841, 31602, 44735, 52670, 53682, 79005, 89081, 89470, 134205, 158010, 178162, 267243, 268410, 445405, 534486, 890810, 1336215, 2048863, 2672430, 4097726, 6146589, 10244315, 12293178, 20488630, 30732945, 61465890]

約数ペア:

[(1, 61465890), (2, 30732945), (3, 20488630), (5, 12293178), (6, 10244315), (10, 6146589), (15, 4097726), (23, 2672430), (30, 2048863), (46, 1336215), (69, 890810), (115, 534486), (138, 445405), (229, 268410), (230, 267243), (345, 178162), (389, 158010), (458, 134205), (687, 89470), (690, 89081), (778, 79005), (1145, 53682), (1167, 52670), (1374, 44735), (1945, 31602), (2290, 26841), (2334, 26335), (3435, 17894), (3890, 15801), (5267, 11670), (5835, 10534), (6870, 8947)]