2015442680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{37799}}^1$

素因数の和:37884

約数の個数: 64

約数和(自身を含む): 4790016000

約数和(自身を除く): 2774573320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2666, 5332, 6665, 10664, 13330, 26660, 37799, 53320, 75598, 151196, 188995, 302392, 377990, 755980, 1171769, 1511960, 1625357, 2343538, 3250714, 4687076, 5858845, 6501428, 8126785, 9374152, 11717690, 13002856, 16253570, 23435380, 32507140, 46870760, 50386067, 65014280, 100772134, 201544268, 251930335, 403088536, 503860670, 1007721340, 2015442680]

約数ペア:

[(1, 2015442680), (2, 1007721340), (4, 503860670), (5, 403088536), (8, 251930335), (10, 201544268), (20, 100772134), (31, 65014280), (40, 50386067), (43, 46870760), (62, 32507140), (86, 23435380), (124, 16253570), (155, 13002856), (172, 11717690), (215, 9374152), (248, 8126785), (310, 6501428), (344, 5858845), (430, 4687076), (620, 3250714), (860, 2343538), (1240, 1625357), (1333, 1511960), (1720, 1171769), (2666, 755980), (5332, 377990), (6665, 302392), (10664, 188995), (13330, 151196), (26660, 75598), (37799, 53320)]