31044960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21559}}^1$

素因数の和:21580

約数の個数: 72

約数和(自身を含む): 105945840

約数和(自身を除く): 74900880

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, 21559, 43118, 64677, 86236, 107795, 129354, 172472, 194031, 215590, 258708, 323385, 344944, 388062, 431180, 517416, 646770, 689888, 776124, 862360, 970155, 1034832, 1293540, 1552248, 1724720, 1940310, 2069664, 2587080, 3104496, 3449440, 3880620, 5174160, 6208992, 7761240, 10348320, 15522480, 31044960]

約数ペア:

[(1, 31044960), (2, 15522480), (3, 10348320), (4, 7761240), (5, 6208992), (6, 5174160), (8, 3880620), (9, 3449440), (10, 3104496), (12, 2587080), (15, 2069664), (16, 1940310), (18, 1724720), (20, 1552248), (24, 1293540), (30, 1034832), (32, 970155), (36, 862360), (40, 776124), (45, 689888), (48, 646770), (60, 517416), (72, 431180), (80, 388062), (90, 344944), (96, 323385), (120, 258708), (144, 215590), (160, 194031), (180, 172472), (240, 129354), (288, 107795), (360, 86236), (480, 64677), (720, 43118), (1440, 21559)]