1361640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1621}}^1$

素因数の和:1642

約数の個数: 64

約数和(自身を含む): 4671360

約数和(自身を除く): 3309720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1621, 3242, 4863, 6484, 8105, 9726, 11347, 12968, 16210, 19452, 22694, 24315, 32420, 34041, 38904, 45388, 48630, 56735, 64840, 68082, 90776, 97260, 113470, 136164, 170205, 194520, 226940, 272328, 340410, 453880, 680820, 1361640]

約数ペア:

[(1, 1361640), (2, 680820), (3, 453880), (4, 340410), (5, 272328), (6, 226940), (7, 194520), (8, 170205), (10, 136164), (12, 113470), (14, 97260), (15, 90776), (20, 68082), (21, 64840), (24, 56735), (28, 48630), (30, 45388), (35, 38904), (40, 34041), (42, 32420), (56, 24315), (60, 22694), (70, 19452), (84, 16210), (105, 12968), (120, 11347), (140, 9726), (168, 8105), (210, 6484), (280, 4863), (420, 3242), (840, 1621)]