28220760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{283}}^1$

素因数の和:577

約数の個数: 96

約数和(自身を含む): 92373840

約数和(自身を除く): 64153080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 277, 283, 360, 554, 566, 831, 849, 1108, 1132, 1385, 1415, 1662, 1698, 2216, 2264, 2493, 2547, 2770, 2830, 3324, 3396, 4155, 4245, 4986, 5094, 5540, 5660, 6648, 6792, 8310, 8490, 9972, 10188, 11080, 11320, 12465, 12735, 16620, 16980, 19944, 20376, 24930, 25470, 33240, 33960, 49860, 50940, 78391, 99720, 101880, 156782, 235173, 313564, 391955, 470346, 627128, 705519, 783910, 940692, 1175865, 1411038, 1567820, 1881384, 2351730, 2822076, 3135640, 3527595, 4703460, 5644152, 7055190, 9406920, 14110380, 28220760]

約数ペア:

[(1, 28220760), (2, 14110380), (3, 9406920), (4, 7055190), (5, 5644152), (6, 4703460), (8, 3527595), (9, 3135640), (10, 2822076), (12, 2351730), (15, 1881384), (18, 1567820), (20, 1411038), (24, 1175865), (30, 940692), (36, 783910), (40, 705519), (45, 627128), (60, 470346), (72, 391955), (90, 313564), (120, 235173), (180, 156782), (277, 101880), (283, 99720), (360, 78391), (554, 50940), (566, 49860), (831, 33960), (849, 33240), (1108, 25470), (1132, 24930), (1385, 20376), (1415, 19944), (1662, 16980), (1698, 16620), (2216, 12735), (2264, 12465), (2493, 11320), (2547, 11080), (2770, 10188), (2830, 9972), (3324, 8490), (3396, 8310), (4155, 6792), (4245, 6648), (4986, 5660), (5094, 5540)]