1917984960

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{221989}}^1$

素因数の和:222015

約数の個数: 112

約数和(自身を含む): 6766255200

約数和(自身を除く): 4848270240

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, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 221989, 443978, 665967, 887956, 1109945, 1331934, 1775912, 1997901, 2219890, 2663868, 3329835, 3551824, 3995802, 4439780, 5327736, 5993703, 6659670, 7103648, 7991604, 8879560, 9989505, 10655472, 11987406, 13319340, 14207296, 15983208, 17759120, 19979010, 21310944, 23974812, 26638680, 29968515, 31966416, 35518240, 39958020, 42621888, 47949624, 53277360, 59937030, 63932832, 71036480, 79916040, 95899248, 106554720, 119874060, 127865664, 159832080, 191798496, 213109440, 239748120, 319664160, 383596992, 479496240, 639328320, 958992480, 1917984960]

約数ペア:

[(1, 1917984960), (2, 958992480), (3, 639328320), (4, 479496240), (5, 383596992), (6, 319664160), (8, 239748120), (9, 213109440), (10, 191798496), (12, 159832080), (15, 127865664), (16, 119874060), (18, 106554720), (20, 95899248), (24, 79916040), (27, 71036480), (30, 63932832), (32, 59937030), (36, 53277360), (40, 47949624), (45, 42621888), (48, 39958020), (54, 35518240), (60, 31966416), (64, 29968515), (72, 26638680), (80, 23974812), (90, 21310944), (96, 19979010), (108, 17759120), (120, 15983208), (135, 14207296), (144, 13319340), (160, 11987406), (180, 10655472), (192, 9989505), (216, 8879560), (240, 7991604), (270, 7103648), (288, 6659670), (320, 5993703), (360, 5327736), (432, 4439780), (480, 3995802), (540, 3551824), (576, 3329835), (720, 2663868), (864, 2219890), (960, 1997901), (1080, 1775912), (1440, 1331934), (1728, 1109945), (2160, 887956), (2880, 665967), (4320, 443978), (8640, 221989)]