1277340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 3645600

約数和(自身を除く): 2368260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 349, 366, 610, 698, 732, 915, 1047, 1220, 1396, 1745, 1830, 2094, 3490, 3660, 4188, 5235, 6980, 10470, 20940, 21289, 42578, 63867, 85156, 106445, 127734, 212890, 255468, 319335, 425780, 638670, 1277340]

約数ペア:

[(1, 1277340), (2, 638670), (3, 425780), (4, 319335), (5, 255468), (6, 212890), (10, 127734), (12, 106445), (15, 85156), (20, 63867), (30, 42578), (60, 21289), (61, 20940), (122, 10470), (183, 6980), (244, 5235), (305, 4188), (349, 3660), (366, 3490), (610, 2094), (698, 1830), (732, 1745), (915, 1396), (1047, 1220)]