90707720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{367}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 211438080

約数和(自身を除く): 120730360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 167, 185, 296, 334, 367, 370, 668, 734, 740, 835, 1336, 1468, 1480, 1670, 1835, 2936, 3340, 3670, 6179, 6680, 7340, 12358, 13579, 14680, 24716, 27158, 30895, 49432, 54316, 61289, 61790, 67895, 108632, 122578, 123580, 135790, 245156, 247160, 271580, 306445, 490312, 543160, 612890, 1225780, 2267693, 2451560, 4535386, 9070772, 11338465, 18141544, 22676930, 45353860, 90707720]

約数ペア:

[(1, 90707720), (2, 45353860), (4, 22676930), (5, 18141544), (8, 11338465), (10, 9070772), (20, 4535386), (37, 2451560), (40, 2267693), (74, 1225780), (148, 612890), (167, 543160), (185, 490312), (296, 306445), (334, 271580), (367, 247160), (370, 245156), (668, 135790), (734, 123580), (740, 122578), (835, 108632), (1336, 67895), (1468, 61790), (1480, 61289), (1670, 54316), (1835, 49432), (2936, 30895), (3340, 27158), (3670, 24716), (6179, 14680), (6680, 13579), (7340, 12358)]