78557220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{62347}}^1$

素因数の和:62369

約数の個数: 72

約数和(自身を含む): 272336064

約数和(自身を除く): 193778844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 62347, 124694, 187041, 249388, 311735, 374082, 436429, 561123, 623470, 748164, 872858, 935205, 1122246, 1246940, 1309287, 1745716, 1870410, 2182145, 2244492, 2618574, 2805615, 3740820, 3927861, 4364290, 5237148, 5611230, 6546435, 7855722, 8728580, 11222460, 13092870, 15711444, 19639305, 26185740, 39278610, 78557220]

約数ペア:

[(1, 78557220), (2, 39278610), (3, 26185740), (4, 19639305), (5, 15711444), (6, 13092870), (7, 11222460), (9, 8728580), (10, 7855722), (12, 6546435), (14, 5611230), (15, 5237148), (18, 4364290), (20, 3927861), (21, 3740820), (28, 2805615), (30, 2618574), (35, 2244492), (36, 2182145), (42, 1870410), (45, 1745716), (60, 1309287), (63, 1246940), (70, 1122246), (84, 935205), (90, 872858), (105, 748164), (126, 623470), (140, 561123), (180, 436429), (210, 374082), (252, 311735), (315, 249388), (420, 187041), (630, 124694), (1260, 62347)]