31148320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:195

約数の個数: 144

約数和(自身を含む): 89200440

約数和(自身を除く): 58052120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 137, 140, 145, 160, 196, 203, 224, 232, 245, 274, 280, 290, 392, 406, 464, 490, 548, 560, 580, 685, 784, 812, 928, 959, 980, 1015, 1096, 1120, 1160, 1370, 1421, 1568, 1624, 1918, 1960, 2030, 2192, 2320, 2740, 2842, 3248, 3836, 3920, 3973, 4060, 4384, 4640, 4795, 5480, 5684, 6496, 6713, 7105, 7672, 7840, 7946, 8120, 9590, 10960, 11368, 13426, 14210, 15344, 15892, 16240, 19180, 19865, 21920, 22736, 26852, 27811, 28420, 30688, 31784, 32480, 33565, 38360, 39730, 45472, 53704, 55622, 56840, 63568, 67130, 76720, 79460, 107408, 111244, 113680, 127136, 134260, 139055, 153440, 158920, 194677, 214816, 222488, 227360, 268520, 278110, 317840, 389354, 444976, 537040, 556220, 635680, 778708, 889952, 973385, 1074080, 1112440, 1557416, 1946770, 2224880, 3114832, 3893540, 4449760, 6229664, 7787080, 15574160, 31148320]

約数ペア:

[(1, 31148320), (2, 15574160), (4, 7787080), (5, 6229664), (7, 4449760), (8, 3893540), (10, 3114832), (14, 2224880), (16, 1946770), (20, 1557416), (28, 1112440), (29, 1074080), (32, 973385), (35, 889952), (40, 778708), (49, 635680), (56, 556220), (58, 537040), (70, 444976), (80, 389354), (98, 317840), (112, 278110), (116, 268520), (137, 227360), (140, 222488), (145, 214816), (160, 194677), (196, 158920), (203, 153440), (224, 139055), (232, 134260), (245, 127136), (274, 113680), (280, 111244), (290, 107408), (392, 79460), (406, 76720), (464, 67130), (490, 63568), (548, 56840), (560, 55622), (580, 53704), (685, 45472), (784, 39730), (812, 38360), (928, 33565), (959, 32480), (980, 31784), (1015, 30688), (1096, 28420), (1120, 27811), (1160, 26852), (1370, 22736), (1421, 21920), (1568, 19865), (1624, 19180), (1918, 16240), (1960, 15892), (2030, 15344), (2192, 14210), (2320, 13426), (2740, 11368), (2842, 10960), (3248, 9590), (3836, 8120), (3920, 7946), (3973, 7840), (4060, 7672), (4384, 7105), (4640, 6713), (4795, 6496), (5480, 5684)]