320863680

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{12379}}^1$

素因数の和:12408

約数の個数: 140

約数和(自身を含む): 1141460760

約数和(自身を除く): 820597080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12379, 12960, 24758, 25920, 37137, 49516, 61895, 74274, 99032, 111411, 123790, 148548, 185685, 198064, 222822, 247580, 297096, 334233, 371370, 396128, 445644, 495160, 557055, 594192, 668466, 742740, 792256, 891288, 990320, 1002699, 1114110, 1188384, 1336932, 1485480, 1671165, 1782576, 1980640, 2005398, 2228220, 2376768, 2673864, 2970960, 3342330, 3565152, 3961280, 4010796, 4456440, 5013495, 5347728, 5941920, 6684660, 7130304, 8021592, 8912880, 10026990, 10695456, 11883840, 13369320, 16043184, 17825760, 20053980, 21390912, 26738640, 32086368, 35651520, 40107960, 53477280, 64172736, 80215920, 106954560, 160431840, 320863680]

約数ペア:

[(1, 320863680), (2, 160431840), (3, 106954560), (4, 80215920), (5, 64172736), (6, 53477280), (8, 40107960), (9, 35651520), (10, 32086368), (12, 26738640), (15, 21390912), (16, 20053980), (18, 17825760), (20, 16043184), (24, 13369320), (27, 11883840), (30, 10695456), (32, 10026990), (36, 8912880), (40, 8021592), (45, 7130304), (48, 6684660), (54, 5941920), (60, 5347728), (64, 5013495), (72, 4456440), (80, 4010796), (81, 3961280), (90, 3565152), (96, 3342330), (108, 2970960), (120, 2673864), (135, 2376768), (144, 2228220), (160, 2005398), (162, 1980640), (180, 1782576), (192, 1671165), (216, 1485480), (240, 1336932), (270, 1188384), (288, 1114110), (320, 1002699), (324, 990320), (360, 891288), (405, 792256), (432, 742740), (480, 668466), (540, 594192), (576, 557055), (648, 495160), (720, 445644), (810, 396128), (864, 371370), (960, 334233), (1080, 297096), (1296, 247580), (1440, 222822), (1620, 198064), (1728, 185685), (2160, 148548), (2592, 123790), (2880, 111411), (3240, 99032), (4320, 74274), (5184, 61895), (6480, 49516), (8640, 37137), (12379, 25920), (12960, 24758)]