20221680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{773}}^1$

素因数の和:898

約数の個数: 80

約数和(自身を含む): 63344160

約数和(自身を除く): 43122480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 773, 872, 1090, 1308, 1546, 1635, 1744, 2180, 2319, 2616, 3092, 3270, 3865, 4360, 4638, 5232, 6184, 6540, 7730, 8720, 9276, 11595, 12368, 13080, 15460, 18552, 23190, 26160, 30920, 37104, 46380, 61840, 84257, 92760, 168514, 185520, 252771, 337028, 421285, 505542, 674056, 842570, 1011084, 1263855, 1348112, 1685140, 2022168, 2527710, 3370280, 4044336, 5055420, 6740560, 10110840, 20221680]

約数ペア:

[(1, 20221680), (2, 10110840), (3, 6740560), (4, 5055420), (5, 4044336), (6, 3370280), (8, 2527710), (10, 2022168), (12, 1685140), (15, 1348112), (16, 1263855), (20, 1011084), (24, 842570), (30, 674056), (40, 505542), (48, 421285), (60, 337028), (80, 252771), (109, 185520), (120, 168514), (218, 92760), (240, 84257), (327, 61840), (436, 46380), (545, 37104), (654, 30920), (773, 26160), (872, 23190), (1090, 18552), (1308, 15460), (1546, 13080), (1635, 12368), (1744, 11595), (2180, 9276), (2319, 8720), (2616, 7730), (3092, 6540), (3270, 6184), (3865, 5232), (4360, 4638)]