78349620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21407}}^1$

素因数の和:21480

約数の個数: 48

約数和(自身を含む): 222985728

約数和(自身を除く): 144636108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 21407, 42814, 64221, 85628, 107035, 128442, 214070, 256884, 321105, 428140, 642210, 1284420, 1305827, 2611654, 3917481, 5223308, 6529135, 7834962, 13058270, 15669924, 19587405, 26116540, 39174810, 78349620]

約数ペア:

[(1, 78349620), (2, 39174810), (3, 26116540), (4, 19587405), (5, 15669924), (6, 13058270), (10, 7834962), (12, 6529135), (15, 5223308), (20, 3917481), (30, 2611654), (60, 1305827), (61, 1284420), (122, 642210), (183, 428140), (244, 321105), (305, 256884), (366, 214070), (610, 128442), (732, 107035), (915, 85628), (1220, 64221), (1830, 42814), (3660, 21407)]