18518240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 48898080

約数和(自身を除く): 30379840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 65, 80, 104, 116, 130, 145, 160, 208, 232, 260, 290, 307, 377, 416, 464, 520, 580, 614, 754, 928, 1040, 1160, 1228, 1508, 1535, 1885, 2080, 2320, 2456, 3016, 3070, 3770, 3991, 4640, 4912, 6032, 6140, 7540, 7982, 8903, 9824, 12064, 12280, 15080, 15964, 17806, 19955, 24560, 30160, 31928, 35612, 39910, 44515, 49120, 60320, 63856, 71224, 79820, 89030, 115739, 127712, 142448, 159640, 178060, 231478, 284896, 319280, 356120, 462956, 578695, 638560, 712240, 925912, 1157390, 1424480, 1851824, 2314780, 3703648, 4629560, 9259120, 18518240]

約数ペア:

[(1, 18518240), (2, 9259120), (4, 4629560), (5, 3703648), (8, 2314780), (10, 1851824), (13, 1424480), (16, 1157390), (20, 925912), (26, 712240), (29, 638560), (32, 578695), (40, 462956), (52, 356120), (58, 319280), (65, 284896), (80, 231478), (104, 178060), (116, 159640), (130, 142448), (145, 127712), (160, 115739), (208, 89030), (232, 79820), (260, 71224), (290, 63856), (307, 60320), (377, 49120), (416, 44515), (464, 39910), (520, 35612), (580, 31928), (614, 30160), (754, 24560), (928, 19955), (1040, 17806), (1160, 15964), (1228, 15080), (1508, 12280), (1535, 12064), (1885, 9824), (2080, 8903), (2320, 7982), (2456, 7540), (3016, 6140), (3070, 6032), (3770, 4912), (3991, 4640)]