123953040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{172157}}^1$

素因数の和:172176

約数の個数: 60

約数和(自身を含む): 416278044

約数和(自身を除く): 292325004

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 172157, 344314, 516471, 688628, 860785, 1032942, 1377256, 1549413, 1721570, 2065884, 2582355, 2754512, 3098826, 3443140, 4131768, 5164710, 6197652, 6886280, 7747065, 8263536, 10329420, 12395304, 13772560, 15494130, 20658840, 24790608, 30988260, 41317680, 61976520, 123953040]

約数ペア:

[(1, 123953040), (2, 61976520), (3, 41317680), (4, 30988260), (5, 24790608), (6, 20658840), (8, 15494130), (9, 13772560), (10, 12395304), (12, 10329420), (15, 8263536), (16, 7747065), (18, 6886280), (20, 6197652), (24, 5164710), (30, 4131768), (36, 3443140), (40, 3098826), (45, 2754512), (48, 2582355), (60, 2065884), (72, 1721570), (80, 1549413), (90, 1377256), (120, 1032942), (144, 860785), (180, 688628), (240, 516471), (360, 344314), (720, 172157)]