61526140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 142037280

約数和(自身を除く): 80511140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 167, 169, 218, 260, 334, 338, 436, 545, 668, 676, 835, 845, 1090, 1417, 1670, 1690, 2171, 2180, 2834, 3340, 3380, 4342, 5668, 7085, 8684, 10855, 14170, 18203, 18421, 21710, 28223, 28340, 36406, 36842, 43420, 56446, 72812, 73684, 91015, 92105, 112892, 141115, 182030, 184210, 236639, 282230, 364060, 368420, 473278, 564460, 946556, 1183195, 2366390, 3076307, 4732780, 6152614, 12305228, 15381535, 30763070, 61526140]

約数ペア:

[(1, 61526140), (2, 30763070), (4, 15381535), (5, 12305228), (10, 6152614), (13, 4732780), (20, 3076307), (26, 2366390), (52, 1183195), (65, 946556), (109, 564460), (130, 473278), (167, 368420), (169, 364060), (218, 282230), (260, 236639), (334, 184210), (338, 182030), (436, 141115), (545, 112892), (668, 92105), (676, 91015), (835, 73684), (845, 72812), (1090, 56446), (1417, 43420), (1670, 36842), (1690, 36406), (2171, 28340), (2180, 28223), (2834, 21710), (3340, 18421), (3380, 18203), (4342, 14170), (5668, 10855), (7085, 8684)]