140145280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1171}}^1$

素因数の和:1218

約数の個数: 128

約数和(自身を含む): 387322560

約数和(自身を除く): 247177280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 640, 680, 704, 748, 880, 935, 1088, 1171, 1360, 1408, 1496, 1760, 1870, 2176, 2342, 2720, 2992, 3520, 3740, 4684, 5440, 5855, 5984, 7040, 7480, 9368, 10880, 11710, 11968, 12881, 14960, 18736, 19907, 23420, 23936, 25762, 29920, 37472, 39814, 46840, 51524, 59840, 64405, 74944, 79628, 93680, 99535, 103048, 119680, 128810, 149888, 159256, 187360, 199070, 206096, 218977, 257620, 318512, 374720, 398140, 412192, 437954, 515240, 637024, 749440, 796280, 824384, 875908, 1030480, 1094885, 1274048, 1592560, 1648768, 1751816, 2060960, 2189770, 2548096, 3185120, 3503632, 4121920, 4379540, 6370240, 7007264, 8243840, 8759080, 12740480, 14014528, 17518160, 28029056, 35036320, 70072640, 140145280]

約数ペア:

[(1, 140145280), (2, 70072640), (4, 35036320), (5, 28029056), (8, 17518160), (10, 14014528), (11, 12740480), (16, 8759080), (17, 8243840), (20, 7007264), (22, 6370240), (32, 4379540), (34, 4121920), (40, 3503632), (44, 3185120), (55, 2548096), (64, 2189770), (68, 2060960), (80, 1751816), (85, 1648768), (88, 1592560), (110, 1274048), (128, 1094885), (136, 1030480), (160, 875908), (170, 824384), (176, 796280), (187, 749440), (220, 637024), (272, 515240), (320, 437954), (340, 412192), (352, 398140), (374, 374720), (440, 318512), (544, 257620), (640, 218977), (680, 206096), (704, 199070), (748, 187360), (880, 159256), (935, 149888), (1088, 128810), (1171, 119680), (1360, 103048), (1408, 99535), (1496, 93680), (1760, 79628), (1870, 74944), (2176, 64405), (2342, 59840), (2720, 51524), (2992, 46840), (3520, 39814), (3740, 37472), (4684, 29920), (5440, 25762), (5855, 23936), (5984, 23420), (7040, 19907), (7480, 18736), (9368, 14960), (10880, 12881), (11710, 11968)]