388636080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{231331}}^1$

素因数の和:231354

約数の個数: 80

約数和(自身を含む): 1376888064

約数和(自身を除く): 988251984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 231331, 462662, 693993, 925324, 1156655, 1387986, 1619317, 1850648, 2313310, 2775972, 3238634, 3469965, 3701296, 4626620, 4857951, 5551944, 6477268, 6939930, 8096585, 9253240, 9715902, 11103888, 12954536, 13879860, 16193170, 18506480, 19431804, 24289755, 25909072, 27759720, 32386340, 38863608, 48579510, 55519440, 64772680, 77727216, 97159020, 129545360, 194318040, 388636080]

約数ペア:

[(1, 388636080), (2, 194318040), (3, 129545360), (4, 97159020), (5, 77727216), (6, 64772680), (7, 55519440), (8, 48579510), (10, 38863608), (12, 32386340), (14, 27759720), (15, 25909072), (16, 24289755), (20, 19431804), (21, 18506480), (24, 16193170), (28, 13879860), (30, 12954536), (35, 11103888), (40, 9715902), (42, 9253240), (48, 8096585), (56, 6939930), (60, 6477268), (70, 5551944), (80, 4857951), (84, 4626620), (105, 3701296), (112, 3469965), (120, 3238634), (140, 2775972), (168, 2313310), (210, 1850648), (240, 1619317), (280, 1387986), (336, 1156655), (420, 925324), (560, 693993), (840, 462662), (1680, 231331)]