64649780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:633

約数の個数: 96

約数和(自身を含む): 160876800

約数和(自身を除く): 96227020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 23, 26, 38, 46, 52, 65, 76, 92, 95, 115, 130, 190, 230, 247, 260, 299, 380, 437, 460, 494, 569, 598, 874, 988, 1138, 1196, 1235, 1495, 1748, 2185, 2276, 2470, 2845, 2990, 4370, 4940, 5681, 5690, 5980, 7397, 8740, 10811, 11362, 11380, 13087, 14794, 21622, 22724, 26174, 28405, 29588, 36985, 43244, 52348, 54055, 56810, 65435, 73970, 108110, 113620, 130870, 140543, 147940, 170131, 216220, 248653, 261740, 281086, 340262, 497306, 562172, 680524, 702715, 850655, 994612, 1243265, 1405430, 1701310, 2486530, 2810860, 3232489, 3402620, 4973060, 6464978, 12929956, 16162445, 32324890, 64649780]

約数ペア:

[(1, 64649780), (2, 32324890), (4, 16162445), (5, 12929956), (10, 6464978), (13, 4973060), (19, 3402620), (20, 3232489), (23, 2810860), (26, 2486530), (38, 1701310), (46, 1405430), (52, 1243265), (65, 994612), (76, 850655), (92, 702715), (95, 680524), (115, 562172), (130, 497306), (190, 340262), (230, 281086), (247, 261740), (260, 248653), (299, 216220), (380, 170131), (437, 147940), (460, 140543), (494, 130870), (569, 113620), (598, 108110), (874, 73970), (988, 65435), (1138, 56810), (1196, 54055), (1235, 52348), (1495, 43244), (1748, 36985), (2185, 29588), (2276, 28405), (2470, 26174), (2845, 22724), (2990, 21622), (4370, 14794), (4940, 13087), (5681, 11380), (5690, 11362), (5980, 10811), (7397, 8740)]