40380240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{541}}^1$

素因数の和:868

約数の個数: 80

約数和(自身を含む): 125813376

約数和(自身を除く): 85433136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 311, 541, 622, 933, 1082, 1244, 1555, 1623, 1866, 2164, 2488, 2705, 3110, 3246, 3732, 4328, 4665, 4976, 5410, 6220, 6492, 7464, 8115, 8656, 9330, 10820, 12440, 12984, 14928, 16230, 18660, 21640, 24880, 25968, 32460, 37320, 43280, 64920, 74640, 129840, 168251, 336502, 504753, 673004, 841255, 1009506, 1346008, 1682510, 2019012, 2523765, 2692016, 3365020, 4038024, 5047530, 6730040, 8076048, 10095060, 13460080, 20190120, 40380240]

約数ペア:

[(1, 40380240), (2, 20190120), (3, 13460080), (4, 10095060), (5, 8076048), (6, 6730040), (8, 5047530), (10, 4038024), (12, 3365020), (15, 2692016), (16, 2523765), (20, 2019012), (24, 1682510), (30, 1346008), (40, 1009506), (48, 841255), (60, 673004), (80, 504753), (120, 336502), (240, 168251), (311, 129840), (541, 74640), (622, 64920), (933, 43280), (1082, 37320), (1244, 32460), (1555, 25968), (1623, 24880), (1866, 21640), (2164, 18660), (2488, 16230), (2705, 14928), (3110, 12984), (3246, 12440), (3732, 10820), (4328, 9330), (4665, 8656), (4976, 8115), (5410, 7464), (6220, 6492)]