51819120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71971}}^1$

素因数の和:71990

約数の個数: 60

約数和(自身を含む): 174028296

約数和(自身を除く): 122209176

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, 71971, 143942, 215913, 287884, 359855, 431826, 575768, 647739, 719710, 863652, 1079565, 1151536, 1295478, 1439420, 1727304, 2159130, 2590956, 2878840, 3238695, 3454608, 4318260, 5181912, 5757680, 6477390, 8636520, 10363824, 12954780, 17273040, 25909560, 51819120]

約数ペア:

[(1, 51819120), (2, 25909560), (3, 17273040), (4, 12954780), (5, 10363824), (6, 8636520), (8, 6477390), (9, 5757680), (10, 5181912), (12, 4318260), (15, 3454608), (16, 3238695), (18, 2878840), (20, 2590956), (24, 2159130), (30, 1727304), (36, 1439420), (40, 1295478), (45, 1151536), (48, 1079565), (60, 863652), (72, 719710), (80, 647739), (90, 575768), (120, 431826), (144, 359855), (180, 287884), (240, 215913), (360, 143942), (720, 71971)]