280181640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{21821}}^1$

素因数の和:21942

約数の個数: 64

約数和(自身を含む): 848439360

約数和(自身を除く): 568257720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 2140, 2568, 3210, 4280, 6420, 12840, 21821, 43642, 65463, 87284, 109105, 130926, 174568, 218210, 261852, 327315, 436420, 523704, 654630, 872840, 1309260, 2334847, 2618520, 4669694, 7004541, 9339388, 11674235, 14009082, 18678776, 23348470, 28018164, 35022705, 46696940, 56036328, 70045410, 93393880, 140090820, 280181640]

約数ペア:

[(1, 280181640), (2, 140090820), (3, 93393880), (4, 70045410), (5, 56036328), (6, 46696940), (8, 35022705), (10, 28018164), (12, 23348470), (15, 18678776), (20, 14009082), (24, 11674235), (30, 9339388), (40, 7004541), (60, 4669694), (107, 2618520), (120, 2334847), (214, 1309260), (321, 872840), (428, 654630), (535, 523704), (642, 436420), (856, 327315), (1070, 261852), (1284, 218210), (1605, 174568), (2140, 130926), (2568, 109105), (3210, 87284), (4280, 65463), (6420, 43642), (12840, 21821)]