68845369720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{364879}}^1$

素因数の和:365032

約数の個数: 64

約数和(自身を含む): 159598512000

約数和(自身を除く): 90753142280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 89, 106, 178, 212, 265, 356, 424, 445, 530, 712, 890, 1060, 1780, 2120, 3560, 4717, 9434, 18868, 23585, 37736, 47170, 94340, 188680, 364879, 729758, 1459516, 1824395, 2919032, 3648790, 7297580, 14595160, 19338587, 32474231, 38677174, 64948462, 77354348, 96692935, 129896924, 154708696, 162371155, 193385870, 259793848, 324742310, 386771740, 649484620, 773543480, 1298969240, 1721134243, 3442268486, 6884536972, 8605671215, 13769073944, 17211342430, 34422684860, 68845369720]

約数ペア:

[(1, 68845369720), (2, 34422684860), (4, 17211342430), (5, 13769073944), (8, 8605671215), (10, 6884536972), (20, 3442268486), (40, 1721134243), (53, 1298969240), (89, 773543480), (106, 649484620), (178, 386771740), (212, 324742310), (265, 259793848), (356, 193385870), (424, 162371155), (445, 154708696), (530, 129896924), (712, 96692935), (890, 77354348), (1060, 64948462), (1780, 38677174), (2120, 32474231), (3560, 19338587), (4717, 14595160), (9434, 7297580), (18868, 3648790), (23585, 2919032), (37736, 1824395), (47170, 1459516), (94340, 729758), (188680, 364879)]