81603900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{12953}}^1$

素因数の和:12980

約数の個数: 108

約数和(自身を含む): 292345872

約数和(自身を除く): 210741972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 6300, 12953, 25906, 38859, 51812, 64765, 77718, 90671, 116577, 129530, 155436, 181342, 194295, 233154, 259060, 272013, 323825, 362684, 388590, 453355, 466308, 544026, 582885, 647650, 777180, 816039, 906710, 971475, 1088052, 1165770, 1295300, 1360065, 1632078, 1813420, 1942950, 2266775, 2331540, 2720130, 2914425, 3264156, 3885900, 4080195, 4533550, 5440260, 5828850, 6800325, 8160390, 9067100, 11657700, 13600650, 16320780, 20400975, 27201300, 40801950, 81603900]

約数ペア:

[(1, 81603900), (2, 40801950), (3, 27201300), (4, 20400975), (5, 16320780), (6, 13600650), (7, 11657700), (9, 9067100), (10, 8160390), (12, 6800325), (14, 5828850), (15, 5440260), (18, 4533550), (20, 4080195), (21, 3885900), (25, 3264156), (28, 2914425), (30, 2720130), (35, 2331540), (36, 2266775), (42, 1942950), (45, 1813420), (50, 1632078), (60, 1360065), (63, 1295300), (70, 1165770), (75, 1088052), (84, 971475), (90, 906710), (100, 816039), (105, 777180), (126, 647650), (140, 582885), (150, 544026), (175, 466308), (180, 453355), (210, 388590), (225, 362684), (252, 323825), (300, 272013), (315, 259060), (350, 233154), (420, 194295), (450, 181342), (525, 155436), (630, 129530), (700, 116577), (900, 90671), (1050, 77718), (1260, 64765), (1575, 51812), (2100, 38859), (3150, 25906), (6300, 12953)]