72543640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2287}}^1$

素因数の和:2372

約数の個数: 64

約数和(自身を含む): 178738560

約数和(自身を除く): 106194920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2287, 2440, 3172, 3965, 4574, 6344, 7930, 9148, 11435, 15860, 18296, 22870, 29731, 31720, 45740, 59462, 91480, 118924, 139507, 148655, 237848, 279014, 297310, 558028, 594620, 697535, 1116056, 1189240, 1395070, 1813591, 2790140, 3627182, 5580280, 7254364, 9067955, 14508728, 18135910, 36271820, 72543640]

約数ペア:

[(1, 72543640), (2, 36271820), (4, 18135910), (5, 14508728), (8, 9067955), (10, 7254364), (13, 5580280), (20, 3627182), (26, 2790140), (40, 1813591), (52, 1395070), (61, 1189240), (65, 1116056), (104, 697535), (122, 594620), (130, 558028), (244, 297310), (260, 279014), (305, 237848), (488, 148655), (520, 139507), (610, 118924), (793, 91480), (1220, 59462), (1586, 45740), (2287, 31720), (2440, 29731), (3172, 22870), (3965, 18296), (4574, 15860), (6344, 11435), (7930, 9148)]