18040500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 60191040

約数和(自身を除く): 42150540

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, 211, 225, 228, 250, 285, 300, 342, 375, 380, 422, 450, 475, 500, 570, 633, 684, 750, 844, 855, 900, 950, 1055, 1125, 1140, 1266, 1425, 1500, 1710, 1899, 1900, 2110, 2250, 2375, 2532, 2850, 3165, 3420, 3798, 4009, 4220, 4275, 4500, 4750, 5275, 5700, 6330, 7125, 7596, 8018, 8550, 9495, 9500, 10550, 12027, 12660, 14250, 15825, 16036, 17100, 18990, 20045, 21100, 21375, 24054, 26375, 28500, 31650, 36081, 37980, 40090, 42750, 47475, 48108, 52750, 60135, 63300, 72162, 79125, 80180, 85500, 94950, 100225, 105500, 120270, 144324, 158250, 180405, 189900, 200450, 237375, 240540, 300675, 316500, 360810, 400900, 474750, 501125, 601350, 721620, 902025, 949500, 1002250, 1202700, 1503375, 1804050, 2004500, 3006750, 3608100, 4510125, 6013500, 9020250, 18040500]

約数ペア:

[(1, 18040500), (2, 9020250), (3, 6013500), (4, 4510125), (5, 3608100), (6, 3006750), (9, 2004500), (10, 1804050), (12, 1503375), (15, 1202700), (18, 1002250), (19, 949500), (20, 902025), (25, 721620), (30, 601350), (36, 501125), (38, 474750), (45, 400900), (50, 360810), (57, 316500), (60, 300675), (75, 240540), (76, 237375), (90, 200450), (95, 189900), (100, 180405), (114, 158250), (125, 144324), (150, 120270), (171, 105500), (180, 100225), (190, 94950), (211, 85500), (225, 80180), (228, 79125), (250, 72162), (285, 63300), (300, 60135), (342, 52750), (375, 48108), (380, 47475), (422, 42750), (450, 40090), (475, 37980), (500, 36081), (570, 31650), (633, 28500), (684, 26375), (750, 24054), (844, 21375), (855, 21100), (900, 20045), (950, 18990), (1055, 17100), (1125, 16036), (1140, 15825), (1266, 14250), (1425, 12660), (1500, 12027), (1710, 10550), (1899, 9500), (1900, 9495), (2110, 8550), (2250, 8018), (2375, 7596), (2532, 7125), (2850, 6330), (3165, 5700), (3420, 5275), (3798, 4750), (4009, 4500), (4220, 4275)]