1919760720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{9743}}^1$

素因数の和:10580

約数の個数: 80

約数和(自身を含む): 5959118592

約数和(自身を除く): 4039357872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 821, 1642, 2463, 3284, 4105, 4926, 6568, 8210, 9743, 9852, 12315, 13136, 16420, 19486, 19704, 24630, 29229, 32840, 38972, 39408, 48715, 49260, 58458, 65680, 77944, 97430, 98520, 116916, 146145, 155888, 194860, 197040, 233832, 292290, 389720, 467664, 584580, 779440, 1169160, 2338320, 7999003, 15998006, 23997009, 31996012, 39995015, 47994018, 63992024, 79990030, 95988036, 119985045, 127984048, 159980060, 191976072, 239970090, 319960120, 383952144, 479940180, 639920240, 959880360, 1919760720]

約数ペア:

[(1, 1919760720), (2, 959880360), (3, 639920240), (4, 479940180), (5, 383952144), (6, 319960120), (8, 239970090), (10, 191976072), (12, 159980060), (15, 127984048), (16, 119985045), (20, 95988036), (24, 79990030), (30, 63992024), (40, 47994018), (48, 39995015), (60, 31996012), (80, 23997009), (120, 15998006), (240, 7999003), (821, 2338320), (1642, 1169160), (2463, 779440), (3284, 584580), (4105, 467664), (4926, 389720), (6568, 292290), (8210, 233832), (9743, 197040), (9852, 194860), (12315, 155888), (13136, 146145), (16420, 116916), (19486, 98520), (19704, 97430), (24630, 77944), (29229, 65680), (32840, 58458), (38972, 49260), (39408, 48715)]