336065720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1621}}^1$

素因数の和:1776

約数の個数: 64

約数和(自身を含む): 777781440

約数和(自身を除く): 441715720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 73, 142, 146, 284, 292, 355, 365, 568, 584, 710, 730, 1420, 1460, 1621, 2840, 2920, 3242, 5183, 6484, 8105, 10366, 12968, 16210, 20732, 25915, 32420, 41464, 51830, 64840, 103660, 115091, 118333, 207320, 230182, 236666, 460364, 473332, 575455, 591665, 920728, 946664, 1150910, 1183330, 2301820, 2366660, 4603640, 4733320, 8401643, 16803286, 33606572, 42008215, 67213144, 84016430, 168032860, 336065720]

約数ペア:

[(1, 336065720), (2, 168032860), (4, 84016430), (5, 67213144), (8, 42008215), (10, 33606572), (20, 16803286), (40, 8401643), (71, 4733320), (73, 4603640), (142, 2366660), (146, 2301820), (284, 1183330), (292, 1150910), (355, 946664), (365, 920728), (568, 591665), (584, 575455), (710, 473332), (730, 460364), (1420, 236666), (1460, 230182), (1621, 207320), (2840, 118333), (2920, 115091), (3242, 103660), (5183, 64840), (6484, 51830), (8105, 41464), (10366, 32420), (12968, 25915), (16210, 20732)]