311929260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{17989}}^1$

素因数の和:18035

約数の個数: 72

約数和(自身を含む): 927852240

約数和(自身を除く): 615922980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1445, 1734, 2890, 3468, 4335, 5780, 8670, 17340, 17989, 35978, 53967, 71956, 89945, 107934, 179890, 215868, 269835, 305813, 359780, 539670, 611626, 917439, 1079340, 1223252, 1529065, 1834878, 3058130, 3669756, 4587195, 5198821, 6116260, 9174390, 10397642, 15596463, 18348780, 20795284, 25994105, 31192926, 51988210, 62385852, 77982315, 103976420, 155964630, 311929260]

約数ペア:

[(1, 311929260), (2, 155964630), (3, 103976420), (4, 77982315), (5, 62385852), (6, 51988210), (10, 31192926), (12, 25994105), (15, 20795284), (17, 18348780), (20, 15596463), (30, 10397642), (34, 9174390), (51, 6116260), (60, 5198821), (68, 4587195), (85, 3669756), (102, 3058130), (170, 1834878), (204, 1529065), (255, 1223252), (289, 1079340), (340, 917439), (510, 611626), (578, 539670), (867, 359780), (1020, 305813), (1156, 269835), (1445, 215868), (1734, 179890), (2890, 107934), (3468, 89945), (4335, 71956), (5780, 53967), (8670, 35978), (17340, 17989)]