1687987360

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:463

約数の個数: 192

約数和(自身を含む): 4424112000

約数和(自身を除く): 2736124640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 43, 74, 76, 80, 86, 95, 148, 152, 160, 172, 185, 190, 215, 296, 304, 344, 349, 370, 380, 430, 592, 608, 688, 698, 703, 740, 760, 817, 860, 1184, 1376, 1396, 1406, 1480, 1520, 1591, 1634, 1720, 1745, 2792, 2812, 2960, 3040, 3182, 3268, 3440, 3490, 3515, 4085, 5584, 5624, 5920, 6364, 6536, 6631, 6880, 6980, 7030, 7955, 8170, 11168, 11248, 12728, 12913, 13072, 13262, 13960, 14060, 15007, 15910, 16340, 22496, 25456, 25826, 26144, 26524, 27920, 28120, 30014, 30229, 31820, 32680, 33155, 50912, 51652, 53048, 55840, 56240, 60028, 60458, 63640, 64565, 65360, 66310, 75035, 103304, 106096, 112480, 120056, 120916, 127280, 129130, 130720, 132620, 150070, 151145, 206608, 212192, 240112, 241832, 245347, 254560, 258260, 265240, 285133, 300140, 302290, 413216, 480224, 483664, 490694, 516520, 530480, 555259, 570266, 600280, 604580, 967328, 981388, 1033040, 1060960, 1110518, 1140532, 1200560, 1209160, 1226735, 1425665, 1962776, 2066080, 2221036, 2281064, 2401120, 2418320, 2453470, 2776295, 2851330, 3925552, 4442072, 4562128, 4836640, 4906940, 5552590, 5702660, 7851104, 8884144, 9124256, 9813880, 10549921, 11105180, 11405320, 17768288, 19627760, 21099842, 22210360, 22810640, 39255520, 42199684, 44420720, 45621280, 52749605, 84399368, 88841440, 105499210, 168798736, 210998420, 337597472, 421996840, 843993680, 1687987360]

約数ペア:

[(1, 1687987360), (2, 843993680), (4, 421996840), (5, 337597472), (8, 210998420), (10, 168798736), (16, 105499210), (19, 88841440), (20, 84399368), (32, 52749605), (37, 45621280), (38, 44420720), (40, 42199684), (43, 39255520), (74, 22810640), (76, 22210360), (80, 21099842), (86, 19627760), (95, 17768288), (148, 11405320), (152, 11105180), (160, 10549921), (172, 9813880), (185, 9124256), (190, 8884144), (215, 7851104), (296, 5702660), (304, 5552590), (344, 4906940), (349, 4836640), (370, 4562128), (380, 4442072), (430, 3925552), (592, 2851330), (608, 2776295), (688, 2453470), (698, 2418320), (703, 2401120), (740, 2281064), (760, 2221036), (817, 2066080), (860, 1962776), (1184, 1425665), (1376, 1226735), (1396, 1209160), (1406, 1200560), (1480, 1140532), (1520, 1110518), (1591, 1060960), (1634, 1033040), (1720, 981388), (1745, 967328), (2792, 604580), (2812, 600280), (2960, 570266), (3040, 555259), (3182, 530480), (3268, 516520), (3440, 490694), (3490, 483664), (3515, 480224), (4085, 413216), (5584, 302290), (5624, 300140), (5920, 285133), (6364, 265240), (6536, 258260), (6631, 254560), (6880, 245347), (6980, 241832), (7030, 240112), (7955, 212192), (8170, 206608), (11168, 151145), (11248, 150070), (12728, 132620), (12913, 130720), (13072, 129130), (13262, 127280), (13960, 120916), (14060, 120056), (15007, 112480), (15910, 106096), (16340, 103304), (22496, 75035), (25456, 66310), (25826, 65360), (26144, 64565), (26524, 63640), (27920, 60458), (28120, 60028), (30014, 56240), (30229, 55840), (31820, 53048), (32680, 51652), (33155, 50912)]