661260000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:243

約数の個数: 240

約数和(自身を含む): 2210592384

約数和(自身を除く): 1549332384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 103, 107, 120, 125, 150, 160, 200, 206, 214, 240, 250, 300, 309, 321, 375, 400, 412, 428, 480, 500, 515, 535, 600, 618, 625, 642, 750, 800, 824, 856, 1000, 1030, 1070, 1200, 1236, 1250, 1284, 1500, 1545, 1605, 1648, 1712, 1875, 2000, 2060, 2140, 2400, 2472, 2500, 2568, 2575, 2675, 3000, 3090, 3210, 3296, 3424, 3750, 4000, 4120, 4280, 4944, 5000, 5136, 5150, 5350, 6000, 6180, 6420, 7500, 7725, 8025, 8240, 8560, 9888, 10000, 10272, 10300, 10700, 11021, 12000, 12360, 12840, 12875, 13375, 15000, 15450, 16050, 16480, 17120, 20000, 20600, 21400, 22042, 24720, 25680, 25750, 26750, 30000, 30900, 32100, 33063, 38625, 40125, 41200, 42800, 44084, 49440, 51360, 51500, 53500, 55105, 60000, 61800, 64200, 64375, 66126, 66875, 77250, 80250, 82400, 85600, 88168, 103000, 107000, 110210, 123600, 128400, 128750, 132252, 133750, 154500, 160500, 165315, 176336, 193125, 200625, 206000, 214000, 220420, 247200, 256800, 257500, 264504, 267500, 275525, 309000, 321000, 330630, 352672, 386250, 401250, 412000, 428000, 440840, 515000, 529008, 535000, 551050, 618000, 642000, 661260, 772500, 802500, 826575, 881680, 1030000, 1058016, 1070000, 1102100, 1236000, 1284000, 1322520, 1377625, 1545000, 1605000, 1653150, 1763360, 2060000, 2140000, 2204200, 2645040, 2755250, 3090000, 3210000, 3306300, 4132875, 4408400, 5290080, 5510500, 6180000, 6420000, 6612600, 6888125, 8265750, 8816800, 11021000, 13225200, 13776250, 16531500, 20664375, 22042000, 26450400, 27552500, 33063000, 41328750, 44084000, 55105000, 66126000, 82657500, 110210000, 132252000, 165315000, 220420000, 330630000, 661260000]

約数ペア:

[(1, 661260000), (2, 330630000), (3, 220420000), (4, 165315000), (5, 132252000), (6, 110210000), (8, 82657500), (10, 66126000), (12, 55105000), (15, 44084000), (16, 41328750), (20, 33063000), (24, 27552500), (25, 26450400), (30, 22042000), (32, 20664375), (40, 16531500), (48, 13776250), (50, 13225200), (60, 11021000), (75, 8816800), (80, 8265750), (96, 6888125), (100, 6612600), (103, 6420000), (107, 6180000), (120, 5510500), (125, 5290080), (150, 4408400), (160, 4132875), (200, 3306300), (206, 3210000), (214, 3090000), (240, 2755250), (250, 2645040), (300, 2204200), (309, 2140000), (321, 2060000), (375, 1763360), (400, 1653150), (412, 1605000), (428, 1545000), (480, 1377625), (500, 1322520), (515, 1284000), (535, 1236000), (600, 1102100), (618, 1070000), (625, 1058016), (642, 1030000), (750, 881680), (800, 826575), (824, 802500), (856, 772500), (1000, 661260), (1030, 642000), (1070, 618000), (1200, 551050), (1236, 535000), (1250, 529008), (1284, 515000), (1500, 440840), (1545, 428000), (1605, 412000), (1648, 401250), (1712, 386250), (1875, 352672), (2000, 330630), (2060, 321000), (2140, 309000), (2400, 275525), (2472, 267500), (2500, 264504), (2568, 257500), (2575, 256800), (2675, 247200), (3000, 220420), (3090, 214000), (3210, 206000), (3296, 200625), (3424, 193125), (3750, 176336), (4000, 165315), (4120, 160500), (4280, 154500), (4944, 133750), (5000, 132252), (5136, 128750), (5150, 128400), (5350, 123600), (6000, 110210), (6180, 107000), (6420, 103000), (7500, 88168), (7725, 85600), (8025, 82400), (8240, 80250), (8560, 77250), (9888, 66875), (10000, 66126), (10272, 64375), (10300, 64200), (10700, 61800), (11021, 60000), (12000, 55105), (12360, 53500), (12840, 51500), (12875, 51360), (13375, 49440), (15000, 44084), (15450, 42800), (16050, 41200), (16480, 40125), (17120, 38625), (20000, 33063), (20600, 32100), (21400, 30900), (22042, 30000), (24720, 26750), (25680, 25750)]