68774580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{54583}}^1$

素因数の和:54605

約数の個数: 72

約数和(自身を含む): 238422912

約数和(自身を除く): 169648332

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, 54583, 109166, 163749, 218332, 272915, 327498, 382081, 491247, 545830, 654996, 764162, 818745, 982494, 1091660, 1146243, 1528324, 1637490, 1910405, 1964988, 2292486, 2456235, 3274980, 3438729, 3820810, 4584972, 4912470, 5731215, 6877458, 7641620, 9824940, 11462430, 13754916, 17193645, 22924860, 34387290, 68774580]

約数ペア:

[(1, 68774580), (2, 34387290), (3, 22924860), (4, 17193645), (5, 13754916), (6, 11462430), (7, 9824940), (9, 7641620), (10, 6877458), (12, 5731215), (14, 4912470), (15, 4584972), (18, 3820810), (20, 3438729), (21, 3274980), (28, 2456235), (30, 2292486), (35, 1964988), (36, 1910405), (42, 1637490), (45, 1528324), (60, 1146243), (63, 1091660), (70, 982494), (84, 818745), (90, 764162), (105, 654996), (126, 545830), (140, 491247), (180, 382081), (210, 327498), (252, 272915), (315, 218332), (420, 163749), (630, 109166), (1260, 54583)]