81794640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{340811}}^1$

素因数の和:340827

約数の個数: 40

約数和(自身を含む): 253564128

約数和(自身を除く): 171769488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 340811, 681622, 1022433, 1363244, 1704055, 2044866, 2726488, 3408110, 4089732, 5112165, 5452976, 6816220, 8179464, 10224330, 13632440, 16358928, 20448660, 27264880, 40897320, 81794640]

約数ペア:

[(1, 81794640), (2, 40897320), (3, 27264880), (4, 20448660), (5, 16358928), (6, 13632440), (8, 10224330), (10, 8179464), (12, 6816220), (15, 5452976), (16, 5112165), (20, 4089732), (24, 3408110), (30, 2726488), (40, 2044866), (48, 1704055), (60, 1363244), (80, 1022433), (120, 681622), (240, 340811)]