1330456820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{123419}}^1$

素因数の和:123453

約数の個数: 72

約数和(自身を含む): 3545609760

約数和(自身を除く): 2215152940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 123419, 246838, 493676, 617095, 863933, 1234190, 1357609, 1727866, 2468380, 2715218, 3455732, 4319665, 5430436, 6047531, 6788045, 8639330, 9503263, 12095062, 13576090, 17278660, 19006526, 24190124, 27152180, 30237655, 38013052, 47516315, 60475310, 66522841, 95032630, 120950620, 133045682, 190065260, 266091364, 332614205, 665228410, 1330456820]

約数ペア:

[(1, 1330456820), (2, 665228410), (4, 332614205), (5, 266091364), (7, 190065260), (10, 133045682), (11, 120950620), (14, 95032630), (20, 66522841), (22, 60475310), (28, 47516315), (35, 38013052), (44, 30237655), (49, 27152180), (55, 24190124), (70, 19006526), (77, 17278660), (98, 13576090), (110, 12095062), (140, 9503263), (154, 8639330), (196, 6788045), (220, 6047531), (245, 5430436), (308, 4319665), (385, 3455732), (490, 2715218), (539, 2468380), (770, 1727866), (980, 1357609), (1078, 1234190), (1540, 863933), (2156, 617095), (2695, 493676), (5390, 246838), (10780, 123419)]