84620080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 205344000

約数和(自身を除く): 120723920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 149, 155, 229, 248, 298, 310, 458, 496, 596, 620, 745, 916, 1145, 1192, 1240, 1490, 1832, 2290, 2384, 2480, 2980, 3664, 4580, 4619, 5960, 7099, 9160, 9238, 11920, 14198, 18320, 18476, 23095, 28396, 34121, 35495, 36952, 46190, 56792, 68242, 70990, 73904, 92380, 113584, 136484, 141980, 170605, 184760, 272968, 283960, 341210, 369520, 545936, 567920, 682420, 1057751, 1364840, 2115502, 2729680, 4231004, 5288755, 8462008, 10577510, 16924016, 21155020, 42310040, 84620080]

約数ペア:

[(1, 84620080), (2, 42310040), (4, 21155020), (5, 16924016), (8, 10577510), (10, 8462008), (16, 5288755), (20, 4231004), (31, 2729680), (40, 2115502), (62, 1364840), (80, 1057751), (124, 682420), (149, 567920), (155, 545936), (229, 369520), (248, 341210), (298, 283960), (310, 272968), (458, 184760), (496, 170605), (596, 141980), (620, 136484), (745, 113584), (916, 92380), (1145, 73904), (1192, 70990), (1240, 68242), (1490, 56792), (1832, 46190), (2290, 36952), (2384, 35495), (2480, 34121), (2980, 28396), (3664, 23095), (4580, 18476), (4619, 18320), (5960, 14198), (7099, 11920), (9160, 9238)]