208040520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{75377}}^1$

素因数の和:75414

約数の個数: 64

約数和(自身を含む): 651265920

約数和(自身を除く): 443225400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 75377, 150754, 226131, 301508, 376885, 452262, 603016, 753770, 904524, 1130655, 1507540, 1733671, 1809048, 2261310, 3015080, 3467342, 4522620, 5201013, 6934684, 8668355, 9045240, 10402026, 13869368, 17336710, 20804052, 26005065, 34673420, 41608104, 52010130, 69346840, 104020260, 208040520]

約数ペア:

[(1, 208040520), (2, 104020260), (3, 69346840), (4, 52010130), (5, 41608104), (6, 34673420), (8, 26005065), (10, 20804052), (12, 17336710), (15, 13869368), (20, 10402026), (23, 9045240), (24, 8668355), (30, 6934684), (40, 5201013), (46, 4522620), (60, 3467342), (69, 3015080), (92, 2261310), (115, 1809048), (120, 1733671), (138, 1507540), (184, 1130655), (230, 904524), (276, 753770), (345, 603016), (460, 452262), (552, 376885), (690, 301508), (920, 226131), (1380, 150754), (2760, 75377)]