978171390

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{172517}}^1$

素因数の和:172543

約数の個数: 80

約数和(自身を含む): 3005953632

約数和(自身を除く): 2027782242

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 5670, 172517, 345034, 517551, 862585, 1035102, 1207619, 1552653, 1725170, 2415238, 2587755, 3105306, 3622857, 4657959, 5175510, 6038095, 7245714, 7763265, 9315918, 10868571, 12076190, 13973877, 15526530, 18114285, 21737142, 23289795, 27947754, 32605713, 36228570, 46579590, 54342855, 65211426, 69869385, 97817139, 108685710, 139738770, 163028565, 195634278, 326057130, 489085695, 978171390]

約数ペア:

[(1, 978171390), (2, 489085695), (3, 326057130), (5, 195634278), (6, 163028565), (7, 139738770), (9, 108685710), (10, 97817139), (14, 69869385), (15, 65211426), (18, 54342855), (21, 46579590), (27, 36228570), (30, 32605713), (35, 27947754), (42, 23289795), (45, 21737142), (54, 18114285), (63, 15526530), (70, 13973877), (81, 12076190), (90, 10868571), (105, 9315918), (126, 7763265), (135, 7245714), (162, 6038095), (189, 5175510), (210, 4657959), (270, 3622857), (315, 3105306), (378, 2587755), (405, 2415238), (567, 1725170), (630, 1552653), (810, 1207619), (945, 1035102), (1134, 862585), (1890, 517551), (2835, 345034), (5670, 172517)]