268958480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15493}}^1$

素因数の和:15544

約数の個数: 80

約数和(自身を含む): 737762304

約数和(自身を除く): 468803824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 15493, 17360, 30986, 61972, 77465, 108451, 123944, 154930, 216902, 247888, 309860, 433804, 480283, 542255, 619720, 867608, 960566, 1084510, 1239440, 1735216, 1921132, 2169020, 2401415, 3361981, 3842264, 4338040, 4802830, 6723962, 7684528, 8676080, 9605660, 13447924, 16809905, 19211320, 26895848, 33619810, 38422640, 53791696, 67239620, 134479240, 268958480]

約数ペア:

[(1, 268958480), (2, 134479240), (4, 67239620), (5, 53791696), (7, 38422640), (8, 33619810), (10, 26895848), (14, 19211320), (16, 16809905), (20, 13447924), (28, 9605660), (31, 8676080), (35, 7684528), (40, 6723962), (56, 4802830), (62, 4338040), (70, 3842264), (80, 3361981), (112, 2401415), (124, 2169020), (140, 1921132), (155, 1735216), (217, 1239440), (248, 1084510), (280, 960566), (310, 867608), (434, 619720), (496, 542255), (560, 480283), (620, 433804), (868, 309860), (1085, 247888), (1240, 216902), (1736, 154930), (2170, 123944), (2480, 108451), (3472, 77465), (4340, 61972), (8680, 30986), (15493, 17360)]