51385500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:645

約数の個数: 144

約数和(自身を含む): 170919840

約数和(自身を除く): 119534340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 125, 150, 171, 180, 190, 225, 228, 250, 285, 300, 342, 375, 380, 450, 475, 500, 570, 601, 684, 750, 855, 900, 950, 1125, 1140, 1202, 1425, 1500, 1710, 1803, 1900, 2250, 2375, 2404, 2850, 3005, 3420, 3606, 4275, 4500, 4750, 5409, 5700, 6010, 7125, 7212, 8550, 9015, 9500, 10818, 11419, 12020, 14250, 15025, 17100, 18030, 21375, 21636, 22838, 27045, 28500, 30050, 34257, 36060, 42750, 45075, 45676, 54090, 57095, 60100, 68514, 75125, 85500, 90150, 102771, 108180, 114190, 135225, 137028, 150250, 171285, 180300, 205542, 225375, 228380, 270450, 285475, 300500, 342570, 411084, 450750, 513855, 540900, 570950, 676125, 685140, 856425, 901500, 1027710, 1141900, 1352250, 1427375, 1712850, 2055420, 2569275, 2704500, 2854750, 3425700, 4282125, 5138550, 5709500, 8564250, 10277100, 12846375, 17128500, 25692750, 51385500]

約数ペア:

[(1, 51385500), (2, 25692750), (3, 17128500), (4, 12846375), (5, 10277100), (6, 8564250), (9, 5709500), (10, 5138550), (12, 4282125), (15, 3425700), (18, 2854750), (19, 2704500), (20, 2569275), (25, 2055420), (30, 1712850), (36, 1427375), (38, 1352250), (45, 1141900), (50, 1027710), (57, 901500), (60, 856425), (75, 685140), (76, 676125), (90, 570950), (95, 540900), (100, 513855), (114, 450750), (125, 411084), (150, 342570), (171, 300500), (180, 285475), (190, 270450), (225, 228380), (228, 225375), (250, 205542), (285, 180300), (300, 171285), (342, 150250), (375, 137028), (380, 135225), (450, 114190), (475, 108180), (500, 102771), (570, 90150), (601, 85500), (684, 75125), (750, 68514), (855, 60100), (900, 57095), (950, 54090), (1125, 45676), (1140, 45075), (1202, 42750), (1425, 36060), (1500, 34257), (1710, 30050), (1803, 28500), (1900, 27045), (2250, 22838), (2375, 21636), (2404, 21375), (2850, 18030), (3005, 17100), (3420, 15025), (3606, 14250), (4275, 12020), (4500, 11419), (4750, 10818), (5409, 9500), (5700, 9015), (6010, 8550), (7125, 7212)]