28495920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3209}}^1$

素因数の和:3262

約数の個数: 80

約数和(自身を含む): 90753120

約数和(自身を除く): 62257200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 3209, 4440, 6418, 8880, 9627, 12836, 16045, 19254, 25672, 32090, 38508, 48135, 51344, 64180, 77016, 96270, 118733, 128360, 154032, 192540, 237466, 256720, 356199, 385080, 474932, 593665, 712398, 770160, 949864, 1187330, 1424796, 1780995, 1899728, 2374660, 2849592, 3561990, 4749320, 5699184, 7123980, 9498640, 14247960, 28495920]

約数ペア:

[(1, 28495920), (2, 14247960), (3, 9498640), (4, 7123980), (5, 5699184), (6, 4749320), (8, 3561990), (10, 2849592), (12, 2374660), (15, 1899728), (16, 1780995), (20, 1424796), (24, 1187330), (30, 949864), (37, 770160), (40, 712398), (48, 593665), (60, 474932), (74, 385080), (80, 356199), (111, 256720), (120, 237466), (148, 192540), (185, 154032), (222, 128360), (240, 118733), (296, 96270), (370, 77016), (444, 64180), (555, 51344), (592, 48135), (740, 38508), (888, 32090), (1110, 25672), (1480, 19254), (1776, 16045), (2220, 12836), (2960, 9627), (3209, 8880), (4440, 6418)]