66873960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{431}}^2$

素因数の和:879

約数の個数: 72

約数和(自身を含む): 217845810

約数和(自身を除く): 150971850

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 431, 862, 1293, 1724, 2155, 2586, 3448, 3879, 4310, 5172, 6465, 7758, 8620, 10344, 12930, 15516, 17240, 19395, 25860, 31032, 38790, 51720, 77580, 155160, 185761, 371522, 557283, 743044, 928805, 1114566, 1486088, 1671849, 1857610, 2229132, 2786415, 3343698, 3715220, 4458264, 5572830, 6687396, 7430440, 8359245, 11145660, 13374792, 16718490, 22291320, 33436980, 66873960]

約数ペア:

[(1, 66873960), (2, 33436980), (3, 22291320), (4, 16718490), (5, 13374792), (6, 11145660), (8, 8359245), (9, 7430440), (10, 6687396), (12, 5572830), (15, 4458264), (18, 3715220), (20, 3343698), (24, 2786415), (30, 2229132), (36, 1857610), (40, 1671849), (45, 1486088), (60, 1114566), (72, 928805), (90, 743044), (120, 557283), (180, 371522), (360, 185761), (431, 155160), (862, 77580), (1293, 51720), (1724, 38790), (2155, 31032), (2586, 25860), (3448, 19395), (3879, 17240), (4310, 15516), (5172, 12930), (6465, 10344), (7758, 8620)]