78387720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2087}}^1$

素因数の和:2414

約数の個数: 64

約数和(自身を含む): 236027520

約数和(自身を除く): 157639800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 313, 626, 939, 1252, 1565, 1878, 2087, 2504, 3130, 3756, 4174, 4695, 6260, 6261, 7512, 8348, 9390, 10435, 12520, 12522, 16696, 18780, 20870, 25044, 31305, 37560, 41740, 50088, 62610, 83480, 125220, 250440, 653231, 1306462, 1959693, 2612924, 3266155, 3919386, 5225848, 6532310, 7838772, 9798465, 13064620, 15677544, 19596930, 26129240, 39193860, 78387720]

約数ペア:

[(1, 78387720), (2, 39193860), (3, 26129240), (4, 19596930), (5, 15677544), (6, 13064620), (8, 9798465), (10, 7838772), (12, 6532310), (15, 5225848), (20, 3919386), (24, 3266155), (30, 2612924), (40, 1959693), (60, 1306462), (120, 653231), (313, 250440), (626, 125220), (939, 83480), (1252, 62610), (1565, 50088), (1878, 41740), (2087, 37560), (2504, 31305), (3130, 25044), (3756, 20870), (4174, 18780), (4695, 16696), (6260, 12522), (6261, 12520), (7512, 10435), (8348, 9390)]