71398920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 222963840

約数和(自身を除く): 151564920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 101, 120, 129, 137, 172, 202, 215, 258, 274, 303, 344, 404, 411, 430, 505, 516, 548, 606, 645, 685, 808, 822, 860, 1010, 1032, 1096, 1212, 1290, 1370, 1515, 1644, 1720, 2020, 2055, 2424, 2580, 2740, 3030, 3288, 4040, 4110, 4343, 5160, 5480, 5891, 6060, 8220, 8686, 11782, 12120, 13029, 13837, 16440, 17372, 17673, 21715, 23564, 26058, 27674, 29455, 34744, 35346, 41511, 43430, 47128, 52116, 55348, 58910, 65145, 69185, 70692, 83022, 86860, 88365, 104232, 110696, 117820, 130290, 138370, 141384, 166044, 173720, 176730, 207555, 235640, 260580, 276740, 332088, 353460, 415110, 521160, 553480, 594991, 706920, 830220, 1189982, 1660440, 1784973, 2379964, 2974955, 3569946, 4759928, 5949910, 7139892, 8924865, 11899820, 14279784, 17849730, 23799640, 35699460, 71398920]

約数ペア:

[(1, 71398920), (2, 35699460), (3, 23799640), (4, 17849730), (5, 14279784), (6, 11899820), (8, 8924865), (10, 7139892), (12, 5949910), (15, 4759928), (20, 3569946), (24, 2974955), (30, 2379964), (40, 1784973), (43, 1660440), (60, 1189982), (86, 830220), (101, 706920), (120, 594991), (129, 553480), (137, 521160), (172, 415110), (202, 353460), (215, 332088), (258, 276740), (274, 260580), (303, 235640), (344, 207555), (404, 176730), (411, 173720), (430, 166044), (505, 141384), (516, 138370), (548, 130290), (606, 117820), (645, 110696), (685, 104232), (808, 88365), (822, 86860), (860, 83022), (1010, 70692), (1032, 69185), (1096, 65145), (1212, 58910), (1290, 55348), (1370, 52116), (1515, 47128), (1644, 43430), (1720, 41511), (2020, 35346), (2055, 34744), (2424, 29455), (2580, 27674), (2740, 26058), (3030, 23564), (3288, 21715), (4040, 17673), (4110, 17372), (4343, 16440), (5160, 13837), (5480, 13029), (5891, 12120), (6060, 11782), (8220, 8686)]