20864160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14489}}^1$

素因数の和:14510

約数の個数: 72

約数和(自身を含む): 71203860

約数和(自身を除く): 50339700

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, 14489, 28978, 43467, 57956, 72445, 86934, 115912, 130401, 144890, 173868, 217335, 231824, 260802, 289780, 347736, 434670, 463648, 521604, 579560, 652005, 695472, 869340, 1043208, 1159120, 1304010, 1390944, 1738680, 2086416, 2318240, 2608020, 3477360, 4172832, 5216040, 6954720, 10432080, 20864160]

約数ペア:

[(1, 20864160), (2, 10432080), (3, 6954720), (4, 5216040), (5, 4172832), (6, 3477360), (8, 2608020), (9, 2318240), (10, 2086416), (12, 1738680), (15, 1390944), (16, 1304010), (18, 1159120), (20, 1043208), (24, 869340), (30, 695472), (32, 652005), (36, 579560), (40, 521604), (45, 463648), (48, 434670), (60, 347736), (72, 289780), (80, 260802), (90, 231824), (96, 217335), (120, 173868), (144, 144890), (160, 130401), (180, 115912), (240, 86934), (288, 72445), (360, 57956), (480, 43467), (720, 28978), (1440, 14489)]