81886770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6841}}^1$

素因数の和:6880

約数の個数: 96

約数和(自身を含む): 256164480

約数和(自身を除く): 174277710

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1995, 2394, 3990, 5985, 6841, 11970, 13682, 20523, 34205, 41046, 47887, 61569, 68410, 95774, 102615, 123138, 129979, 143661, 205230, 239435, 259958, 287322, 307845, 389937, 430983, 478870, 615690, 649895, 718305, 779874, 861966, 909853, 1169811, 1299790, 1436610, 1819706, 1949685, 2154915, 2339622, 2729559, 3899370, 4309830, 4549265, 5459118, 5849055, 8188677, 9098530, 11698110, 13647795, 16377354, 27295590, 40943385, 81886770]

約数ペア:

[(1, 81886770), (2, 40943385), (3, 27295590), (5, 16377354), (6, 13647795), (7, 11698110), (9, 9098530), (10, 8188677), (14, 5849055), (15, 5459118), (18, 4549265), (19, 4309830), (21, 3899370), (30, 2729559), (35, 2339622), (38, 2154915), (42, 1949685), (45, 1819706), (57, 1436610), (63, 1299790), (70, 1169811), (90, 909853), (95, 861966), (105, 779874), (114, 718305), (126, 649895), (133, 615690), (171, 478870), (190, 430983), (210, 389937), (266, 307845), (285, 287322), (315, 259958), (342, 239435), (399, 205230), (570, 143661), (630, 129979), (665, 123138), (798, 102615), (855, 95774), (1197, 68410), (1330, 61569), (1710, 47887), (1995, 41046), (2394, 34205), (3990, 20523), (5985, 13682), (6841, 11970)]