16981650

素因数分解:

$2^1\times 3^4\times 5^2\times 7^1\times {\mathrm{599}}^1$

素因数の和:630

約数の個数: 120

約数和(自身を含む): 54014400

約数和(自身を除く): 37032750

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 81, 90, 105, 126, 135, 150, 162, 175, 189, 210, 225, 270, 315, 350, 378, 405, 450, 525, 567, 599, 630, 675, 810, 945, 1050, 1134, 1198, 1350, 1575, 1797, 1890, 2025, 2835, 2995, 3150, 3594, 4050, 4193, 4725, 5391, 5670, 5990, 8386, 8985, 9450, 10782, 12579, 14175, 14975, 16173, 17970, 20965, 25158, 26955, 28350, 29950, 32346, 37737, 41930, 44925, 48519, 53910, 62895, 75474, 80865, 89850, 97038, 104825, 113211, 125790, 134775, 161730, 188685, 209650, 226422, 242595, 269550, 314475, 339633, 377370, 404325, 485190, 566055, 628950, 679266, 808650, 943425, 1132110, 1212975, 1698165, 1886850, 2425950, 2830275, 3396330, 5660550, 8490825, 16981650]

約数ペア:

[(1, 16981650), (2, 8490825), (3, 5660550), (5, 3396330), (6, 2830275), (7, 2425950), (9, 1886850), (10, 1698165), (14, 1212975), (15, 1132110), (18, 943425), (21, 808650), (25, 679266), (27, 628950), (30, 566055), (35, 485190), (42, 404325), (45, 377370), (50, 339633), (54, 314475), (63, 269550), (70, 242595), (75, 226422), (81, 209650), (90, 188685), (105, 161730), (126, 134775), (135, 125790), (150, 113211), (162, 104825), (175, 97038), (189, 89850), (210, 80865), (225, 75474), (270, 62895), (315, 53910), (350, 48519), (378, 44925), (405, 41930), (450, 37737), (525, 32346), (567, 29950), (599, 28350), (630, 26955), (675, 25158), (810, 20965), (945, 17970), (1050, 16173), (1134, 14975), (1198, 14175), (1350, 12579), (1575, 10782), (1797, 9450), (1890, 8985), (2025, 8386), (2835, 5990), (2995, 5670), (3150, 5391), (3594, 4725), (4050, 4193)]