129423280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{967}}^1$

素因数の和:1226

約数の個数: 80

約数和(自身を含む): 345692160

約数和(自身を除く): 216268880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 239, 280, 478, 560, 956, 967, 1195, 1673, 1912, 1934, 2390, 3346, 3824, 3868, 4780, 4835, 6692, 6769, 7736, 8365, 9560, 9670, 13384, 13538, 15472, 16730, 19120, 19340, 26768, 27076, 33460, 33845, 38680, 54152, 66920, 67690, 77360, 108304, 133840, 135380, 231113, 270760, 462226, 541520, 924452, 1155565, 1617791, 1848904, 2311130, 3235582, 3697808, 4622260, 6471164, 8088955, 9244520, 12942328, 16177910, 18489040, 25884656, 32355820, 64711640, 129423280]

約数ペア:

[(1, 129423280), (2, 64711640), (4, 32355820), (5, 25884656), (7, 18489040), (8, 16177910), (10, 12942328), (14, 9244520), (16, 8088955), (20, 6471164), (28, 4622260), (35, 3697808), (40, 3235582), (56, 2311130), (70, 1848904), (80, 1617791), (112, 1155565), (140, 924452), (239, 541520), (280, 462226), (478, 270760), (560, 231113), (956, 135380), (967, 133840), (1195, 108304), (1673, 77360), (1912, 67690), (1934, 66920), (2390, 54152), (3346, 38680), (3824, 33845), (3868, 33460), (4780, 27076), (4835, 26768), (6692, 19340), (6769, 19120), (7736, 16730), (8365, 15472), (9560, 13538), (9670, 13384)]