165810560

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 416404800

約数和(自身を除く): 250594240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 71, 80, 82, 89, 128, 142, 160, 164, 178, 205, 284, 320, 328, 355, 356, 410, 445, 568, 640, 656, 710, 712, 820, 890, 1136, 1312, 1420, 1424, 1640, 1780, 2272, 2624, 2840, 2848, 2911, 3280, 3560, 3649, 4544, 5248, 5680, 5696, 5822, 6319, 6560, 7120, 7298, 9088, 11360, 11392, 11644, 12638, 13120, 14240, 14555, 14596, 18245, 22720, 23288, 25276, 26240, 28480, 29110, 29192, 31595, 36490, 45440, 46576, 50552, 56960, 58220, 58384, 63190, 72980, 93152, 101104, 116440, 116768, 126380, 145960, 186304, 202208, 232880, 233536, 252760, 259079, 291920, 372608, 404416, 465760, 467072, 505520, 518158, 583840, 808832, 931520, 1011040, 1036316, 1167680, 1295395, 1863040, 2022080, 2072632, 2335360, 2590790, 4044160, 4145264, 5181580, 8290528, 10363160, 16581056, 20726320, 33162112, 41452640, 82905280, 165810560]

約数ペア:

[(1, 165810560), (2, 82905280), (4, 41452640), (5, 33162112), (8, 20726320), (10, 16581056), (16, 10363160), (20, 8290528), (32, 5181580), (40, 4145264), (41, 4044160), (64, 2590790), (71, 2335360), (80, 2072632), (82, 2022080), (89, 1863040), (128, 1295395), (142, 1167680), (160, 1036316), (164, 1011040), (178, 931520), (205, 808832), (284, 583840), (320, 518158), (328, 505520), (355, 467072), (356, 465760), (410, 404416), (445, 372608), (568, 291920), (640, 259079), (656, 252760), (710, 233536), (712, 232880), (820, 202208), (890, 186304), (1136, 145960), (1312, 126380), (1420, 116768), (1424, 116440), (1640, 101104), (1780, 93152), (2272, 72980), (2624, 63190), (2840, 58384), (2848, 58220), (2911, 56960), (3280, 50552), (3560, 46576), (3649, 45440), (4544, 36490), (5248, 31595), (5680, 29192), (5696, 29110), (5822, 28480), (6319, 26240), (6560, 25276), (7120, 23288), (7298, 22720), (9088, 18245), (11360, 14596), (11392, 14555), (11644, 14240), (12638, 13120)]