1633720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 4147200

約数和(自身を除く): 2513480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 79, 88, 94, 110, 158, 188, 220, 235, 316, 376, 395, 440, 470, 517, 632, 790, 869, 940, 1034, 1580, 1738, 1880, 2068, 2585, 3160, 3476, 3713, 4136, 4345, 5170, 6952, 7426, 8690, 10340, 14852, 17380, 18565, 20680, 29704, 34760, 37130, 40843, 74260, 81686, 148520, 163372, 204215, 326744, 408430, 816860, 1633720]

約数ペア:

[(1, 1633720), (2, 816860), (4, 408430), (5, 326744), (8, 204215), (10, 163372), (11, 148520), (20, 81686), (22, 74260), (40, 40843), (44, 37130), (47, 34760), (55, 29704), (79, 20680), (88, 18565), (94, 17380), (110, 14852), (158, 10340), (188, 8690), (220, 7426), (235, 6952), (316, 5170), (376, 4345), (395, 4136), (440, 3713), (470, 3476), (517, 3160), (632, 2585), (790, 2068), (869, 1880), (940, 1738), (1034, 1580)]