79560040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1907}}^1$

素因数の和:2074

約数の個数: 64

約数和(自身を含む): 206064000

約数和(自身を除く): 126503960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 1907, 2086, 2980, 3814, 4172, 5215, 5960, 7628, 8344, 9535, 10430, 13349, 15256, 19070, 20860, 26698, 38140, 41720, 53396, 66745, 76280, 106792, 133490, 266980, 284143, 533960, 568286, 1136572, 1420715, 1989001, 2273144, 2841430, 3978002, 5682860, 7956004, 9945005, 11365720, 15912008, 19890010, 39780020, 79560040]

約数ペア:

[(1, 79560040), (2, 39780020), (4, 19890010), (5, 15912008), (7, 11365720), (8, 9945005), (10, 7956004), (14, 5682860), (20, 3978002), (28, 2841430), (35, 2273144), (40, 1989001), (56, 1420715), (70, 1136572), (140, 568286), (149, 533960), (280, 284143), (298, 266980), (596, 133490), (745, 106792), (1043, 76280), (1192, 66745), (1490, 53396), (1907, 41720), (2086, 38140), (2980, 26698), (3814, 20860), (4172, 19070), (5215, 15256), (5960, 13349), (7628, 10430), (8344, 9535)]