164505840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22111}}^1$

素因数の和:22158

約数の個数: 80

約数和(自身を含む): 526442496

約数和(自身を除く): 361936656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 22111, 44222, 66333, 88444, 110555, 132666, 176888, 221110, 265332, 331665, 353776, 442220, 530664, 663330, 685441, 884440, 1061328, 1326660, 1370882, 1768880, 2056323, 2653320, 2741764, 3427205, 4112646, 5306640, 5483528, 6854410, 8225292, 10281615, 10967056, 13708820, 16450584, 20563230, 27417640, 32901168, 41126460, 54835280, 82252920, 164505840]

約数ペア:

[(1, 164505840), (2, 82252920), (3, 54835280), (4, 41126460), (5, 32901168), (6, 27417640), (8, 20563230), (10, 16450584), (12, 13708820), (15, 10967056), (16, 10281615), (20, 8225292), (24, 6854410), (30, 5483528), (31, 5306640), (40, 4112646), (48, 3427205), (60, 2741764), (62, 2653320), (80, 2056323), (93, 1768880), (120, 1370882), (124, 1326660), (155, 1061328), (186, 884440), (240, 685441), (248, 663330), (310, 530664), (372, 442220), (465, 353776), (496, 331665), (620, 265332), (744, 221110), (930, 176888), (1240, 132666), (1488, 110555), (1860, 88444), (2480, 66333), (3720, 44222), (7440, 22111)]