64621620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{51287}}^1$

素因数の和:51309

約数の個数: 72

約数和(自身を含む): 224025984

約数和(自身を除く): 159404364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 51287, 102574, 153861, 205148, 256435, 307722, 359009, 461583, 512870, 615444, 718018, 769305, 923166, 1025740, 1077027, 1436036, 1538610, 1795045, 1846332, 2154054, 2307915, 3077220, 3231081, 3590090, 4308108, 4615830, 5385135, 6462162, 7180180, 9231660, 10770270, 12924324, 16155405, 21540540, 32310810, 64621620]

約数ペア:

[(1, 64621620), (2, 32310810), (3, 21540540), (4, 16155405), (5, 12924324), (6, 10770270), (7, 9231660), (9, 7180180), (10, 6462162), (12, 5385135), (14, 4615830), (15, 4308108), (18, 3590090), (20, 3231081), (21, 3077220), (28, 2307915), (30, 2154054), (35, 1846332), (36, 1795045), (42, 1538610), (45, 1436036), (60, 1077027), (63, 1025740), (70, 923166), (84, 769305), (90, 718018), (105, 615444), (126, 512870), (140, 461583), (180, 359009), (210, 307722), (252, 256435), (315, 205148), (420, 153861), (630, 102574), (1260, 51287)]