31304160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21739}}^1$

素因数の和:21760

約数の個数: 72

約数和(自身を含む): 106830360

約数和(自身を除く): 75526200

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, 21739, 43478, 65217, 86956, 108695, 130434, 173912, 195651, 217390, 260868, 326085, 347824, 391302, 434780, 521736, 652170, 695648, 782604, 869560, 978255, 1043472, 1304340, 1565208, 1739120, 1956510, 2086944, 2608680, 3130416, 3478240, 3913020, 5217360, 6260832, 7826040, 10434720, 15652080, 31304160]

約数ペア:

[(1, 31304160), (2, 15652080), (3, 10434720), (4, 7826040), (5, 6260832), (6, 5217360), (8, 3913020), (9, 3478240), (10, 3130416), (12, 2608680), (15, 2086944), (16, 1956510), (18, 1739120), (20, 1565208), (24, 1304340), (30, 1043472), (32, 978255), (36, 869560), (40, 782604), (45, 695648), (48, 652170), (60, 521736), (72, 434780), (80, 391302), (90, 347824), (96, 326085), (120, 260868), (144, 217390), (160, 195651), (180, 173912), (240, 130434), (288, 108695), (360, 86956), (480, 65217), (720, 43478), (1440, 21739)]