81031500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1637}}^1$

素因数の和:1673

約数の個数: 144

約数和(自身を含む): 279036576

約数和(自身を除く): 198005076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 125, 132, 150, 165, 180, 198, 220, 225, 250, 275, 300, 330, 375, 396, 450, 495, 500, 550, 660, 750, 825, 900, 990, 1100, 1125, 1375, 1500, 1637, 1650, 1980, 2250, 2475, 2750, 3274, 3300, 4125, 4500, 4911, 4950, 5500, 6548, 8185, 8250, 9822, 9900, 12375, 14733, 16370, 16500, 18007, 19644, 24555, 24750, 29466, 32740, 36014, 40925, 49110, 49500, 54021, 58932, 72028, 73665, 81850, 90035, 98220, 108042, 122775, 147330, 162063, 163700, 180070, 204625, 216084, 245550, 270105, 294660, 324126, 360140, 368325, 409250, 450175, 491100, 540210, 613875, 648252, 736650, 810315, 818500, 900350, 1080420, 1227750, 1350525, 1473300, 1620630, 1800700, 1841625, 2250875, 2455500, 2701050, 3241260, 3683250, 4051575, 4501750, 5402100, 6752625, 7366500, 8103150, 9003500, 13505250, 16206300, 20257875, 27010500, 40515750, 81031500]

約数ペア:

[(1, 81031500), (2, 40515750), (3, 27010500), (4, 20257875), (5, 16206300), (6, 13505250), (9, 9003500), (10, 8103150), (11, 7366500), (12, 6752625), (15, 5402100), (18, 4501750), (20, 4051575), (22, 3683250), (25, 3241260), (30, 2701050), (33, 2455500), (36, 2250875), (44, 1841625), (45, 1800700), (50, 1620630), (55, 1473300), (60, 1350525), (66, 1227750), (75, 1080420), (90, 900350), (99, 818500), (100, 810315), (110, 736650), (125, 648252), (132, 613875), (150, 540210), (165, 491100), (180, 450175), (198, 409250), (220, 368325), (225, 360140), (250, 324126), (275, 294660), (300, 270105), (330, 245550), (375, 216084), (396, 204625), (450, 180070), (495, 163700), (500, 162063), (550, 147330), (660, 122775), (750, 108042), (825, 98220), (900, 90035), (990, 81850), (1100, 73665), (1125, 72028), (1375, 58932), (1500, 54021), (1637, 49500), (1650, 49110), (1980, 40925), (2250, 36014), (2475, 32740), (2750, 29466), (3274, 24750), (3300, 24555), (4125, 19644), (4500, 18007), (4911, 16500), (4950, 16370), (5500, 14733), (6548, 12375), (8185, 9900), (8250, 9822)]