74927720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3769}}^1$

素因数の和:3858

約数の個数: 64

約数和(自身を含む): 195436800

約数和(自身を除く): 120509080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3769, 3976, 4970, 7538, 9940, 15076, 18845, 19880, 26383, 30152, 37690, 52766, 75380, 105532, 131915, 150760, 211064, 263830, 267599, 527660, 535198, 1055320, 1070396, 1337995, 1873193, 2140792, 2675990, 3746386, 5351980, 7492772, 9365965, 10703960, 14985544, 18731930, 37463860, 74927720]

約数ペア:

[(1, 74927720), (2, 37463860), (4, 18731930), (5, 14985544), (7, 10703960), (8, 9365965), (10, 7492772), (14, 5351980), (20, 3746386), (28, 2675990), (35, 2140792), (40, 1873193), (56, 1337995), (70, 1070396), (71, 1055320), (140, 535198), (142, 527660), (280, 267599), (284, 263830), (355, 211064), (497, 150760), (568, 131915), (710, 105532), (994, 75380), (1420, 52766), (1988, 37690), (2485, 30152), (2840, 26383), (3769, 19880), (3976, 18845), (4970, 15076), (7538, 9940)]