1657621720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{6079}}^1$

素因数の和:6508

約数の個数: 64

約数和(自身を含む): 3959539200

約数和(自身を除く): 2301917480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 401, 680, 802, 1604, 2005, 3208, 4010, 6079, 6817, 8020, 12158, 13634, 16040, 24316, 27268, 30395, 34085, 48632, 54536, 60790, 68170, 103343, 121580, 136340, 206686, 243160, 272680, 413372, 516715, 826744, 1033430, 2066860, 2437679, 4133720, 4875358, 9750716, 12188395, 19501432, 24376790, 41440543, 48753580, 82881086, 97507160, 165762172, 207202715, 331524344, 414405430, 828810860, 1657621720]

約数ペア:

[(1, 1657621720), (2, 828810860), (4, 414405430), (5, 331524344), (8, 207202715), (10, 165762172), (17, 97507160), (20, 82881086), (34, 48753580), (40, 41440543), (68, 24376790), (85, 19501432), (136, 12188395), (170, 9750716), (340, 4875358), (401, 4133720), (680, 2437679), (802, 2066860), (1604, 1033430), (2005, 826744), (3208, 516715), (4010, 413372), (6079, 272680), (6817, 243160), (8020, 206686), (12158, 136340), (13634, 121580), (16040, 103343), (24316, 68170), (27268, 60790), (30395, 54536), (34085, 48632)]