21705120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{15073}}^1$

素因数の和:15094

約数の個数: 72

約数和(自身を含む): 74073636

約数和(自身を除く): 52368516

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 15073, 30146, 45219, 60292, 75365, 90438, 120584, 135657, 150730, 180876, 226095, 241168, 271314, 301460, 361752, 452190, 482336, 542628, 602920, 678285, 723504, 904380, 1085256, 1205840, 1356570, 1447008, 1808760, 2170512, 2411680, 2713140, 3617520, 4341024, 5426280, 7235040, 10852560, 21705120]

約数ペア:

[(1, 21705120), (2, 10852560), (3, 7235040), (4, 5426280), (5, 4341024), (6, 3617520), (8, 2713140), (9, 2411680), (10, 2170512), (12, 1808760), (15, 1447008), (16, 1356570), (18, 1205840), (20, 1085256), (24, 904380), (30, 723504), (32, 678285), (36, 602920), (40, 542628), (45, 482336), (48, 452190), (60, 361752), (72, 301460), (80, 271314), (90, 241168), (96, 226095), (120, 180876), (144, 150730), (160, 135657), (180, 120584), (240, 90438), (288, 75365), (360, 60292), (480, 45219), (720, 30146), (1440, 15073)]