31203180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7537}}^1$

素因数の和:7575

約数の個数: 72

約数和(自身を含む): 98777952

約数和(自身を除く): 67574772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 7537, 15074, 22611, 30148, 37685, 45222, 67833, 75370, 90444, 113055, 135666, 150740, 173351, 226110, 271332, 339165, 346702, 452220, 520053, 678330, 693404, 866755, 1040106, 1356660, 1560159, 1733510, 2080212, 2600265, 3120318, 3467020, 5200530, 6240636, 7800795, 10401060, 15601590, 31203180]

約数ペア:

[(1, 31203180), (2, 15601590), (3, 10401060), (4, 7800795), (5, 6240636), (6, 5200530), (9, 3467020), (10, 3120318), (12, 2600265), (15, 2080212), (18, 1733510), (20, 1560159), (23, 1356660), (30, 1040106), (36, 866755), (45, 693404), (46, 678330), (60, 520053), (69, 452220), (90, 346702), (92, 339165), (115, 271332), (138, 226110), (180, 173351), (207, 150740), (230, 135666), (276, 113055), (345, 90444), (414, 75370), (460, 67833), (690, 45222), (828, 37685), (1035, 30148), (1380, 22611), (2070, 15074), (4140, 7537)]