1679790640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{3343}}^1$

素因数の和:3938

約数の個数: 80

約数和(自身を含む): 4269298176

約数和(自身を除く): 2589507536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 571, 880, 1142, 2284, 2855, 3343, 4568, 5710, 6281, 6686, 9136, 11420, 12562, 13372, 16715, 22840, 25124, 26744, 31405, 33430, 36773, 45680, 50248, 53488, 62810, 66860, 73546, 100496, 125620, 133720, 147092, 183865, 251240, 267440, 294184, 367730, 502480, 588368, 735460, 1470920, 1908853, 2941840, 3817706, 7635412, 9544265, 15270824, 19088530, 20997383, 30541648, 38177060, 41994766, 76354120, 83989532, 104986915, 152708240, 167979064, 209973830, 335958128, 419947660, 839895320, 1679790640]

約数ペア:

[(1, 1679790640), (2, 839895320), (4, 419947660), (5, 335958128), (8, 209973830), (10, 167979064), (11, 152708240), (16, 104986915), (20, 83989532), (22, 76354120), (40, 41994766), (44, 38177060), (55, 30541648), (80, 20997383), (88, 19088530), (110, 15270824), (176, 9544265), (220, 7635412), (440, 3817706), (571, 2941840), (880, 1908853), (1142, 1470920), (2284, 735460), (2855, 588368), (3343, 502480), (4568, 367730), (5710, 294184), (6281, 267440), (6686, 251240), (9136, 183865), (11420, 147092), (12562, 133720), (13372, 125620), (16715, 100496), (22840, 73546), (25124, 66860), (26744, 62810), (31405, 53488), (33430, 50248), (36773, 45680)]