84555280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:896

約数の個数: 80

約数和(自身を含む): 211057920

約数和(自身を除く): 126502640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 272, 316, 340, 395, 632, 680, 787, 790, 1264, 1343, 1360, 1574, 1580, 2686, 3148, 3160, 3935, 5372, 6296, 6320, 6715, 7870, 10744, 12592, 13379, 13430, 15740, 21488, 26758, 26860, 31480, 53516, 53720, 62173, 62960, 66895, 107032, 107440, 124346, 133790, 214064, 248692, 267580, 310865, 497384, 535160, 621730, 994768, 1056941, 1070320, 1243460, 2113882, 2486920, 4227764, 4973840, 5284705, 8455528, 10569410, 16911056, 21138820, 42277640, 84555280]

約数ペア:

[(1, 84555280), (2, 42277640), (4, 21138820), (5, 16911056), (8, 10569410), (10, 8455528), (16, 5284705), (17, 4973840), (20, 4227764), (34, 2486920), (40, 2113882), (68, 1243460), (79, 1070320), (80, 1056941), (85, 994768), (136, 621730), (158, 535160), (170, 497384), (272, 310865), (316, 267580), (340, 248692), (395, 214064), (632, 133790), (680, 124346), (787, 107440), (790, 107032), (1264, 66895), (1343, 62960), (1360, 62173), (1574, 53720), (1580, 53516), (2686, 31480), (3148, 26860), (3160, 26758), (3935, 21488), (5372, 15740), (6296, 13430), (6320, 13379), (6715, 12592), (7870, 10744)]