208324680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{859}}^1$

素因数の和:963

約数の個数: 128

約数和(自身を含む): 653875200

約数和(自身を除く): 445550520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 47, 60, 86, 94, 120, 129, 141, 172, 188, 215, 235, 258, 282, 344, 376, 430, 470, 516, 564, 645, 705, 859, 860, 940, 1032, 1128, 1290, 1410, 1718, 1720, 1880, 2021, 2577, 2580, 2820, 3436, 4042, 4295, 5154, 5160, 5640, 6063, 6872, 8084, 8590, 10105, 10308, 12126, 12885, 16168, 17180, 20210, 20616, 24252, 25770, 30315, 34360, 36937, 40373, 40420, 48504, 51540, 60630, 73874, 80746, 80840, 103080, 110811, 121119, 121260, 147748, 161492, 184685, 201865, 221622, 242238, 242520, 295496, 322984, 369370, 403730, 443244, 484476, 554055, 605595, 738740, 807460, 886488, 968952, 1108110, 1211190, 1477480, 1614920, 1736039, 2216220, 2422380, 3472078, 4432440, 4844760, 5208117, 6944156, 8680195, 10416234, 13888312, 17360390, 20832468, 26040585, 34720780, 41664936, 52081170, 69441560, 104162340, 208324680]

約数ペア:

[(1, 208324680), (2, 104162340), (3, 69441560), (4, 52081170), (5, 41664936), (6, 34720780), (8, 26040585), (10, 20832468), (12, 17360390), (15, 13888312), (20, 10416234), (24, 8680195), (30, 6944156), (40, 5208117), (43, 4844760), (47, 4432440), (60, 3472078), (86, 2422380), (94, 2216220), (120, 1736039), (129, 1614920), (141, 1477480), (172, 1211190), (188, 1108110), (215, 968952), (235, 886488), (258, 807460), (282, 738740), (344, 605595), (376, 554055), (430, 484476), (470, 443244), (516, 403730), (564, 369370), (645, 322984), (705, 295496), (859, 242520), (860, 242238), (940, 221622), (1032, 201865), (1128, 184685), (1290, 161492), (1410, 147748), (1718, 121260), (1720, 121119), (1880, 110811), (2021, 103080), (2577, 80840), (2580, 80746), (2820, 73874), (3436, 60630), (4042, 51540), (4295, 48504), (5154, 40420), (5160, 40373), (5640, 36937), (6063, 34360), (6872, 30315), (8084, 25770), (8590, 24252), (10105, 20616), (10308, 20210), (12126, 17180), (12885, 16168)]