320178320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51977}}^1$

素因数の和:52008

約数の個数: 80

約数和(自身を含む): 928119168

約数和(自身を除く): 607940848

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 51977, 103954, 207908, 259885, 363839, 415816, 519770, 571747, 727678, 831632, 1039540, 1143494, 1455356, 1819195, 2079080, 2286988, 2858735, 2910712, 3638390, 4002229, 4158160, 4573976, 5717470, 5821424, 7276780, 8004458, 9147952, 11434940, 14553560, 16008916, 20011145, 22869880, 29107120, 32017832, 40022290, 45739760, 64035664, 80044580, 160089160, 320178320]

約数ペア:

[(1, 320178320), (2, 160089160), (4, 80044580), (5, 64035664), (7, 45739760), (8, 40022290), (10, 32017832), (11, 29107120), (14, 22869880), (16, 20011145), (20, 16008916), (22, 14553560), (28, 11434940), (35, 9147952), (40, 8004458), (44, 7276780), (55, 5821424), (56, 5717470), (70, 4573976), (77, 4158160), (80, 4002229), (88, 3638390), (110, 2910712), (112, 2858735), (140, 2286988), (154, 2079080), (176, 1819195), (220, 1455356), (280, 1143494), (308, 1039540), (385, 831632), (440, 727678), (560, 571747), (616, 519770), (770, 415816), (880, 363839), (1232, 259885), (1540, 207908), (3080, 103954), (6160, 51977)]