251416920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:565

約数の個数: 128

約数和(自身を含む): 780373440

約数和(自身を除く): 528956520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 137, 164, 205, 246, 274, 328, 373, 410, 411, 492, 548, 615, 685, 746, 820, 822, 984, 1096, 1119, 1230, 1370, 1492, 1640, 1644, 1865, 2055, 2238, 2460, 2740, 2984, 3288, 3730, 4110, 4476, 4920, 5480, 5595, 5617, 7460, 8220, 8952, 11190, 11234, 14920, 15293, 16440, 16851, 22380, 22468, 28085, 30586, 33702, 44760, 44936, 45879, 51101, 56170, 61172, 67404, 76465, 84255, 91758, 102202, 112340, 122344, 134808, 152930, 153303, 168510, 183516, 204404, 224680, 229395, 255505, 305860, 306606, 337020, 367032, 408808, 458790, 511010, 611720, 613212, 674040, 766515, 917580, 1022020, 1226424, 1533030, 1835160, 2044040, 2095141, 3066060, 4190282, 6132120, 6285423, 8380564, 10475705, 12570846, 16761128, 20951410, 25141692, 31427115, 41902820, 50283384, 62854230, 83805640, 125708460, 251416920]

約数ペア:

[(1, 251416920), (2, 125708460), (3, 83805640), (4, 62854230), (5, 50283384), (6, 41902820), (8, 31427115), (10, 25141692), (12, 20951410), (15, 16761128), (20, 12570846), (24, 10475705), (30, 8380564), (40, 6285423), (41, 6132120), (60, 4190282), (82, 3066060), (120, 2095141), (123, 2044040), (137, 1835160), (164, 1533030), (205, 1226424), (246, 1022020), (274, 917580), (328, 766515), (373, 674040), (410, 613212), (411, 611720), (492, 511010), (548, 458790), (615, 408808), (685, 367032), (746, 337020), (820, 306606), (822, 305860), (984, 255505), (1096, 229395), (1119, 224680), (1230, 204404), (1370, 183516), (1492, 168510), (1640, 153303), (1644, 152930), (1865, 134808), (2055, 122344), (2238, 112340), (2460, 102202), (2740, 91758), (2984, 84255), (3288, 76465), (3730, 67404), (4110, 61172), (4476, 56170), (4920, 51101), (5480, 45879), (5595, 44936), (5617, 44760), (7460, 33702), (8220, 30586), (8952, 28085), (11190, 22468), (11234, 22380), (14920, 16851), (15293, 16440)]