64085220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{811}}^1$

素因数の和:1265

約数の個数: 72

約数和(自身を含む): 195074880

約数和(自身を除く): 130989660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 811, 878, 1317, 1622, 1756, 2195, 2433, 2634, 3244, 3951, 4055, 4390, 4866, 5268, 6585, 7299, 7902, 8110, 8780, 9732, 12165, 13170, 14598, 15804, 16220, 19755, 24330, 26340, 29196, 36495, 39510, 48660, 72990, 79020, 145980, 356029, 712058, 1068087, 1424116, 1780145, 2136174, 3204261, 3560290, 4272348, 5340435, 6408522, 7120580, 10680870, 12817044, 16021305, 21361740, 32042610, 64085220]

約数ペア:

[(1, 64085220), (2, 32042610), (3, 21361740), (4, 16021305), (5, 12817044), (6, 10680870), (9, 7120580), (10, 6408522), (12, 5340435), (15, 4272348), (18, 3560290), (20, 3204261), (30, 2136174), (36, 1780145), (45, 1424116), (60, 1068087), (90, 712058), (180, 356029), (439, 145980), (811, 79020), (878, 72990), (1317, 48660), (1622, 39510), (1756, 36495), (2195, 29196), (2433, 26340), (2634, 24330), (3244, 19755), (3951, 16220), (4055, 15804), (4390, 14598), (4866, 13170), (5268, 12165), (6585, 9732), (7299, 8780), (7902, 8110)]