2015494760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{2459}}^1$

素因数の和:3162

約数の個数: 64

約数和(自身を含む): 4690137600

約数和(自身を除く): 2674642840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 661, 1240, 1322, 2459, 2644, 3305, 4918, 5288, 6610, 9836, 12295, 13220, 19672, 20491, 24590, 26440, 40982, 49180, 76229, 81964, 98360, 102455, 152458, 163928, 204910, 304916, 381145, 409820, 609832, 762290, 819640, 1524580, 1625399, 3049160, 3250798, 6501596, 8126995, 13003192, 16253990, 32507980, 50387369, 65015960, 100774738, 201549476, 251936845, 403098952, 503873690, 1007747380, 2015494760]

約数ペア:

[(1, 2015494760), (2, 1007747380), (4, 503873690), (5, 403098952), (8, 251936845), (10, 201549476), (20, 100774738), (31, 65015960), (40, 50387369), (62, 32507980), (124, 16253990), (155, 13003192), (248, 8126995), (310, 6501596), (620, 3250798), (661, 3049160), (1240, 1625399), (1322, 1524580), (2459, 819640), (2644, 762290), (3305, 609832), (4918, 409820), (5288, 381145), (6610, 304916), (9836, 204910), (12295, 163928), (13220, 152458), (19672, 102455), (20491, 98360), (24590, 81964), (26440, 76229), (40982, 49180)]