1361220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{463}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 4443264

約数和(自身を除く): 3082044

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 463, 490, 588, 735, 926, 980, 1389, 1470, 1852, 2315, 2778, 2940, 3241, 4630, 5556, 6482, 6945, 9260, 9723, 12964, 13890, 16205, 19446, 22687, 27780, 32410, 38892, 45374, 48615, 64820, 68061, 90748, 97230, 113435, 136122, 194460, 226870, 272244, 340305, 453740, 680610, 1361220]

約数ペア:

[(1, 1361220), (2, 680610), (3, 453740), (4, 340305), (5, 272244), (6, 226870), (7, 194460), (10, 136122), (12, 113435), (14, 97230), (15, 90748), (20, 68061), (21, 64820), (28, 48615), (30, 45374), (35, 38892), (42, 32410), (49, 27780), (60, 22687), (70, 19446), (84, 16205), (98, 13890), (105, 12964), (140, 9723), (147, 9260), (196, 6945), (210, 6482), (245, 5556), (294, 4630), (420, 3241), (463, 2940), (490, 2778), (588, 2315), (735, 1852), (926, 1470), (980, 1389)]