785132080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{1171}}^1$

素因数の和:1247

約数の個数: 120

約数和(自身を含む): 2007706320

約数和(自身を除く): 1222574240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 289, 290, 340, 464, 493, 578, 580, 680, 986, 1156, 1160, 1171, 1360, 1445, 1972, 2312, 2320, 2342, 2465, 2890, 3944, 4624, 4684, 4930, 5780, 5855, 7888, 8381, 9368, 9860, 11560, 11710, 16762, 18736, 19720, 19907, 23120, 23420, 33524, 33959, 39440, 39814, 41905, 46840, 67048, 67918, 79628, 83810, 93680, 99535, 134096, 135836, 159256, 167620, 169795, 199070, 271672, 318512, 335240, 338419, 339590, 398140, 543344, 577303, 670480, 676838, 679180, 796280, 1154606, 1353676, 1358360, 1592560, 1692095, 2309212, 2707352, 2716720, 2886515, 3384190, 4618424, 5414704, 5773030, 6768380, 9236848, 9814151, 11546060, 13536760, 19628302, 23092120, 27073520, 39256604, 46184240, 49070755, 78513208, 98141510, 157026416, 196283020, 392566040, 785132080]

約数ペア:

[(1, 785132080), (2, 392566040), (4, 196283020), (5, 157026416), (8, 98141510), (10, 78513208), (16, 49070755), (17, 46184240), (20, 39256604), (29, 27073520), (34, 23092120), (40, 19628302), (58, 13536760), (68, 11546060), (80, 9814151), (85, 9236848), (116, 6768380), (136, 5773030), (145, 5414704), (170, 4618424), (232, 3384190), (272, 2886515), (289, 2716720), (290, 2707352), (340, 2309212), (464, 1692095), (493, 1592560), (578, 1358360), (580, 1353676), (680, 1154606), (986, 796280), (1156, 679180), (1160, 676838), (1171, 670480), (1360, 577303), (1445, 543344), (1972, 398140), (2312, 339590), (2320, 338419), (2342, 335240), (2465, 318512), (2890, 271672), (3944, 199070), (4624, 169795), (4684, 167620), (4930, 159256), (5780, 135836), (5855, 134096), (7888, 99535), (8381, 93680), (9368, 83810), (9860, 79628), (11560, 67918), (11710, 67048), (16762, 46840), (18736, 41905), (19720, 39814), (19907, 39440), (23120, 33959), (23420, 33524)]