61279380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5581}}^1$

素因数の和:5657

約数の個数: 72

約数和(自身を含む): 188961864

約数和(自身を除く): 127682484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 5581, 10980, 11162, 16743, 22324, 27905, 33486, 50229, 55810, 66972, 83715, 100458, 111620, 167430, 200916, 251145, 334860, 340441, 502290, 680882, 1004580, 1021323, 1361764, 1702205, 2042646, 3063969, 3404410, 4085292, 5106615, 6127938, 6808820, 10213230, 12255876, 15319845, 20426460, 30639690, 61279380]

約数ペア:

[(1, 61279380), (2, 30639690), (3, 20426460), (4, 15319845), (5, 12255876), (6, 10213230), (9, 6808820), (10, 6127938), (12, 5106615), (15, 4085292), (18, 3404410), (20, 3063969), (30, 2042646), (36, 1702205), (45, 1361764), (60, 1021323), (61, 1004580), (90, 680882), (122, 502290), (180, 340441), (183, 334860), (244, 251145), (305, 200916), (366, 167430), (549, 111620), (610, 100458), (732, 83715), (915, 66972), (1098, 55810), (1220, 50229), (1830, 33486), (2196, 27905), (2745, 22324), (3660, 16743), (5490, 11162), (5581, 10980)]