1561531500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{103}}^1\times {\mathrm{1123}}^1$

素因数の和:1254

約数の個数: 192

約数和(自身を含む): 5106017280

約数和(自身を除く): 3544485780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 103, 108, 125, 135, 150, 180, 206, 225, 250, 270, 300, 309, 375, 412, 450, 500, 515, 540, 618, 675, 750, 900, 927, 1030, 1123, 1125, 1236, 1350, 1500, 1545, 1854, 2060, 2246, 2250, 2575, 2700, 2781, 3090, 3369, 3375, 3708, 4492, 4500, 4635, 5150, 5562, 5615, 6180, 6738, 6750, 7725, 9270, 10107, 10300, 11124, 11230, 12875, 13476, 13500, 13905, 15450, 16845, 18540, 20214, 22460, 23175, 25750, 27810, 28075, 30321, 30900, 33690, 38625, 40428, 46350, 50535, 51500, 55620, 56150, 60642, 67380, 69525, 77250, 84225, 92700, 101070, 112300, 115669, 115875, 121284, 139050, 140375, 151605, 154500, 168450, 202140, 231338, 231750, 252675, 278100, 280750, 303210, 336900, 347007, 347625, 421125, 462676, 463500, 505350, 561500, 578345, 606420, 694014, 695250, 758025, 842250, 1010700, 1041021, 1156690, 1263375, 1388028, 1390500, 1516050, 1684500, 1735035, 2082042, 2313380, 2526750, 2891725, 3032100, 3123063, 3470070, 3790125, 4164084, 5053500, 5205105, 5783450, 6246126, 6940140, 7580250, 8675175, 10410210, 11566900, 12492252, 14458625, 15160500, 15615315, 17350350, 20820420, 26025525, 28917250, 31230630, 34700700, 43375875, 52051050, 57834500, 62461260, 78076575, 86751750, 104102100, 130127625, 156153150, 173503500, 260255250, 312306300, 390382875, 520510500, 780765750, 1561531500]

約数ペア:

[(1, 1561531500), (2, 780765750), (3, 520510500), (4, 390382875), (5, 312306300), (6, 260255250), (9, 173503500), (10, 156153150), (12, 130127625), (15, 104102100), (18, 86751750), (20, 78076575), (25, 62461260), (27, 57834500), (30, 52051050), (36, 43375875), (45, 34700700), (50, 31230630), (54, 28917250), (60, 26025525), (75, 20820420), (90, 17350350), (100, 15615315), (103, 15160500), (108, 14458625), (125, 12492252), (135, 11566900), (150, 10410210), (180, 8675175), (206, 7580250), (225, 6940140), (250, 6246126), (270, 5783450), (300, 5205105), (309, 5053500), (375, 4164084), (412, 3790125), (450, 3470070), (500, 3123063), (515, 3032100), (540, 2891725), (618, 2526750), (675, 2313380), (750, 2082042), (900, 1735035), (927, 1684500), (1030, 1516050), (1123, 1390500), (1125, 1388028), (1236, 1263375), (1350, 1156690), (1500, 1041021), (1545, 1010700), (1854, 842250), (2060, 758025), (2246, 695250), (2250, 694014), (2575, 606420), (2700, 578345), (2781, 561500), (3090, 505350), (3369, 463500), (3375, 462676), (3708, 421125), (4492, 347625), (4500, 347007), (4635, 336900), (5150, 303210), (5562, 280750), (5615, 278100), (6180, 252675), (6738, 231750), (6750, 231338), (7725, 202140), (9270, 168450), (10107, 154500), (10300, 151605), (11124, 140375), (11230, 139050), (12875, 121284), (13476, 115875), (13500, 115669), (13905, 112300), (15450, 101070), (16845, 92700), (18540, 84225), (20214, 77250), (22460, 69525), (23175, 67380), (25750, 60642), (27810, 56150), (28075, 55620), (30321, 51500), (30900, 50535), (33690, 46350), (38625, 40428)]