87801920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:268

約数の個数: 112

約数和(自身を含む): 221211648

約数和(自身を除く): 133409728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 106, 124, 155, 160, 167, 212, 248, 265, 310, 320, 334, 424, 496, 530, 620, 668, 835, 848, 992, 1060, 1240, 1336, 1643, 1670, 1696, 1984, 2120, 2480, 2672, 3286, 3340, 3392, 4240, 4960, 5177, 5344, 6572, 6680, 8215, 8480, 8851, 9920, 10354, 10688, 13144, 13360, 16430, 16960, 17702, 20708, 25885, 26288, 26720, 32860, 35404, 41416, 44255, 51770, 52576, 53440, 65720, 70808, 82832, 88510, 103540, 105152, 131440, 141616, 165664, 177020, 207080, 262880, 274381, 283232, 331328, 354040, 414160, 525760, 548762, 566464, 708080, 828320, 1097524, 1371905, 1416160, 1656640, 2195048, 2743810, 2832320, 4390096, 5487620, 8780192, 10975240, 17560384, 21950480, 43900960, 87801920]

約数ペア:

[(1, 87801920), (2, 43900960), (4, 21950480), (5, 17560384), (8, 10975240), (10, 8780192), (16, 5487620), (20, 4390096), (31, 2832320), (32, 2743810), (40, 2195048), (53, 1656640), (62, 1416160), (64, 1371905), (80, 1097524), (106, 828320), (124, 708080), (155, 566464), (160, 548762), (167, 525760), (212, 414160), (248, 354040), (265, 331328), (310, 283232), (320, 274381), (334, 262880), (424, 207080), (496, 177020), (530, 165664), (620, 141616), (668, 131440), (835, 105152), (848, 103540), (992, 88510), (1060, 82832), (1240, 70808), (1336, 65720), (1643, 53440), (1670, 52576), (1696, 51770), (1984, 44255), (2120, 41416), (2480, 35404), (2672, 32860), (3286, 26720), (3340, 26288), (3392, 25885), (4240, 20708), (4960, 17702), (5177, 16960), (5344, 16430), (6572, 13360), (6680, 13144), (8215, 10688), (8480, 10354), (8851, 9920)]