131352270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20177}}^1$

素因数の和:20225

約数の個数: 64

約数和(自身を含む): 371920896

約数和(自身を除く): 240568626

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 6510, 20177, 40354, 60531, 100885, 121062, 141239, 201770, 282478, 302655, 423717, 605310, 625487, 706195, 847434, 1250974, 1412390, 1876461, 2118585, 3127435, 3752922, 4237170, 4378409, 6254870, 8756818, 9382305, 13135227, 18764610, 21892045, 26270454, 43784090, 65676135, 131352270]

約数ペア:

[(1, 131352270), (2, 65676135), (3, 43784090), (5, 26270454), (6, 21892045), (7, 18764610), (10, 13135227), (14, 9382305), (15, 8756818), (21, 6254870), (30, 4378409), (31, 4237170), (35, 3752922), (42, 3127435), (62, 2118585), (70, 1876461), (93, 1412390), (105, 1250974), (155, 847434), (186, 706195), (210, 625487), (217, 605310), (310, 423717), (434, 302655), (465, 282478), (651, 201770), (930, 141239), (1085, 121062), (1302, 100885), (2170, 60531), (3255, 40354), (6510, 20177)]