40221180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{509}}^1$

素因数の和:963

約数の個数: 72

約数和(自身を含む): 122522400

約数和(自身を除く): 82301220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 509, 878, 1018, 1317, 1527, 1756, 2036, 2195, 2545, 2634, 3054, 3951, 4390, 4581, 5090, 5268, 6108, 6585, 7635, 7902, 8780, 9162, 10180, 13170, 15270, 15804, 18324, 19755, 22905, 26340, 30540, 39510, 45810, 79020, 91620, 223451, 446902, 670353, 893804, 1117255, 1340706, 2011059, 2234510, 2681412, 3351765, 4022118, 4469020, 6703530, 8044236, 10055295, 13407060, 20110590, 40221180]

約数ペア:

[(1, 40221180), (2, 20110590), (3, 13407060), (4, 10055295), (5, 8044236), (6, 6703530), (9, 4469020), (10, 4022118), (12, 3351765), (15, 2681412), (18, 2234510), (20, 2011059), (30, 1340706), (36, 1117255), (45, 893804), (60, 670353), (90, 446902), (180, 223451), (439, 91620), (509, 79020), (878, 45810), (1018, 39510), (1317, 30540), (1527, 26340), (1756, 22905), (2036, 19755), (2195, 18324), (2545, 15804), (2634, 15270), (3054, 13170), (3951, 10180), (4390, 9162), (4581, 8780), (5090, 7902), (5268, 7635), (6108, 6585)]