30921040

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1259}}^1$

素因数の和:1579

約数の個数: 40

約数和(自身を含む): 72182880

約数和(自身を除く): 41261840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1259, 1535, 2456, 2518, 3070, 4912, 5036, 6140, 6295, 10072, 12280, 12590, 20144, 24560, 25180, 50360, 100720, 386513, 773026, 1546052, 1932565, 3092104, 3865130, 6184208, 7730260, 15460520, 30921040]

約数ペア:

[(1, 30921040), (2, 15460520), (4, 7730260), (5, 6184208), (8, 3865130), (10, 3092104), (16, 1932565), (20, 1546052), (40, 773026), (80, 386513), (307, 100720), (614, 50360), (1228, 25180), (1259, 24560), (1535, 20144), (2456, 12590), (2518, 12280), (3070, 10072), (4912, 6295), (5036, 6140)]