40002180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{487}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 115351488

約数和(自身を除く): 75349308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 487, 555, 740, 974, 1110, 1369, 1461, 1948, 2220, 2435, 2738, 2922, 4107, 4870, 5476, 5844, 6845, 7305, 8214, 9740, 13690, 14610, 16428, 18019, 20535, 27380, 29220, 36038, 41070, 54057, 72076, 82140, 90095, 108114, 180190, 216228, 270285, 360380, 540570, 666703, 1081140, 1333406, 2000109, 2666812, 3333515, 4000218, 6667030, 8000436, 10000545, 13334060, 20001090, 40002180]

約数ペア:

[(1, 40002180), (2, 20001090), (3, 13334060), (4, 10000545), (5, 8000436), (6, 6667030), (10, 4000218), (12, 3333515), (15, 2666812), (20, 2000109), (30, 1333406), (37, 1081140), (60, 666703), (74, 540570), (111, 360380), (148, 270285), (185, 216228), (222, 180190), (370, 108114), (444, 90095), (487, 82140), (555, 72076), (740, 54057), (974, 41070), (1110, 36038), (1369, 29220), (1461, 27380), (1948, 20535), (2220, 18019), (2435, 16428), (2738, 14610), (2922, 13690), (4107, 9740), (4870, 8214), (5476, 7305), (5844, 6845)]