85305320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{379}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 204379200

約数和(自身を除く): 119073880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 331, 340, 379, 662, 680, 758, 1324, 1516, 1655, 1895, 2648, 3032, 3310, 3790, 5627, 6443, 6620, 7580, 11254, 12886, 13240, 15160, 22508, 25772, 28135, 32215, 45016, 51544, 56270, 64430, 112540, 125449, 128860, 225080, 250898, 257720, 501796, 627245, 1003592, 1254490, 2132633, 2508980, 4265266, 5017960, 8530532, 10663165, 17061064, 21326330, 42652660, 85305320]

約数ペア:

[(1, 85305320), (2, 42652660), (4, 21326330), (5, 17061064), (8, 10663165), (10, 8530532), (17, 5017960), (20, 4265266), (34, 2508980), (40, 2132633), (68, 1254490), (85, 1003592), (136, 627245), (170, 501796), (331, 257720), (340, 250898), (379, 225080), (662, 128860), (680, 125449), (758, 112540), (1324, 64430), (1516, 56270), (1655, 51544), (1895, 45016), (2648, 32215), (3032, 28135), (3310, 25772), (3790, 22508), (5627, 15160), (6443, 13240), (6620, 12886), (7580, 11254)]