78254460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7127}}^1$

素因数の和:7203

約数の個数: 72

約数和(自身を含む): 241297056

約数和(自身を除く): 163042596

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, 7127, 10980, 14254, 21381, 28508, 35635, 42762, 64143, 71270, 85524, 106905, 128286, 142540, 213810, 256572, 320715, 427620, 434747, 641430, 869494, 1282860, 1304241, 1738988, 2173735, 2608482, 3912723, 4347470, 5216964, 6521205, 7825446, 8694940, 13042410, 15650892, 19563615, 26084820, 39127230, 78254460]

約数ペア:

[(1, 78254460), (2, 39127230), (3, 26084820), (4, 19563615), (5, 15650892), (6, 13042410), (9, 8694940), (10, 7825446), (12, 6521205), (15, 5216964), (18, 4347470), (20, 3912723), (30, 2608482), (36, 2173735), (45, 1738988), (60, 1304241), (61, 1282860), (90, 869494), (122, 641430), (180, 434747), (183, 427620), (244, 320715), (305, 256572), (366, 213810), (549, 142540), (610, 128286), (732, 106905), (915, 85524), (1098, 71270), (1220, 64143), (1830, 42762), (2196, 35635), (2745, 28508), (3660, 21381), (5490, 14254), (7127, 10980)]