20070720

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:150

約数の個数: 224

約数和(自身を含む): 74615040

約数和(自身を除く): 54544320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 101, 108, 115, 120, 135, 138, 144, 160, 180, 184, 192, 202, 207, 216, 230, 240, 270, 276, 288, 303, 320, 345, 360, 368, 404, 414, 432, 460, 480, 505, 540, 552, 576, 606, 621, 690, 720, 736, 808, 828, 864, 909, 920, 960, 1010, 1035, 1080, 1104, 1212, 1242, 1380, 1440, 1472, 1515, 1616, 1656, 1728, 1818, 1840, 2020, 2070, 2160, 2208, 2323, 2424, 2484, 2727, 2760, 2880, 3030, 3105, 3232, 3312, 3636, 3680, 4040, 4140, 4320, 4416, 4545, 4646, 4848, 4968, 5454, 5520, 6060, 6210, 6464, 6624, 6969, 7272, 7360, 8080, 8280, 8640, 9090, 9292, 9696, 9936, 10908, 11040, 11615, 12120, 12420, 13248, 13635, 13938, 14544, 16160, 16560, 18180, 18584, 19392, 19872, 20907, 21816, 22080, 23230, 24240, 24840, 27270, 27876, 29088, 32320, 33120, 34845, 36360, 37168, 39744, 41814, 43632, 46460, 48480, 49680, 54540, 55752, 58176, 62721, 66240, 69690, 72720, 74336, 83628, 87264, 92920, 96960, 99360, 104535, 109080, 111504, 125442, 139380, 145440, 148672, 167256, 174528, 185840, 198720, 209070, 218160, 223008, 250884, 278760, 290880, 313605, 334512, 371680, 418140, 436320, 446016, 501768, 557520, 627210, 669024, 743360, 836280, 872640, 1003536, 1115040, 1254420, 1338048, 1672560, 2007072, 2230080, 2508840, 3345120, 4014144, 5017680, 6690240, 10035360, 20070720]

約数ペア:

[(1, 20070720), (2, 10035360), (3, 6690240), (4, 5017680), (5, 4014144), (6, 3345120), (8, 2508840), (9, 2230080), (10, 2007072), (12, 1672560), (15, 1338048), (16, 1254420), (18, 1115040), (20, 1003536), (23, 872640), (24, 836280), (27, 743360), (30, 669024), (32, 627210), (36, 557520), (40, 501768), (45, 446016), (46, 436320), (48, 418140), (54, 371680), (60, 334512), (64, 313605), (69, 290880), (72, 278760), (80, 250884), (90, 223008), (92, 218160), (96, 209070), (101, 198720), (108, 185840), (115, 174528), (120, 167256), (135, 148672), (138, 145440), (144, 139380), (160, 125442), (180, 111504), (184, 109080), (192, 104535), (202, 99360), (207, 96960), (216, 92920), (230, 87264), (240, 83628), (270, 74336), (276, 72720), (288, 69690), (303, 66240), (320, 62721), (345, 58176), (360, 55752), (368, 54540), (404, 49680), (414, 48480), (432, 46460), (460, 43632), (480, 41814), (505, 39744), (540, 37168), (552, 36360), (576, 34845), (606, 33120), (621, 32320), (690, 29088), (720, 27876), (736, 27270), (808, 24840), (828, 24240), (864, 23230), (909, 22080), (920, 21816), (960, 20907), (1010, 19872), (1035, 19392), (1080, 18584), (1104, 18180), (1212, 16560), (1242, 16160), (1380, 14544), (1440, 13938), (1472, 13635), (1515, 13248), (1616, 12420), (1656, 12120), (1728, 11615), (1818, 11040), (1840, 10908), (2020, 9936), (2070, 9696), (2160, 9292), (2208, 9090), (2323, 8640), (2424, 8280), (2484, 8080), (2727, 7360), (2760, 7272), (2880, 6969), (3030, 6624), (3105, 6464), (3232, 6210), (3312, 6060), (3636, 5520), (3680, 5454), (4040, 4968), (4140, 4848), (4320, 4646), (4416, 4545)]