311923260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{599}}^1$

素因数の和:888

約数の個数: 144

約数和(自身を含む): 1037836800

約数和(自身を除く): 725913540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 263, 330, 396, 495, 526, 599, 660, 789, 990, 1052, 1198, 1315, 1578, 1797, 1980, 2367, 2396, 2630, 2893, 2995, 3156, 3594, 3945, 4734, 5260, 5391, 5786, 5990, 6589, 7188, 7890, 8679, 8985, 9468, 10782, 11572, 11835, 11980, 13178, 14465, 15780, 17358, 17970, 19767, 21564, 23670, 26037, 26356, 26955, 28930, 32945, 34716, 35940, 39534, 43395, 47340, 52074, 53910, 57860, 59301, 65890, 79068, 86790, 98835, 104148, 107820, 118602, 130185, 131780, 157537, 173580, 197670, 237204, 260370, 296505, 315074, 395340, 472611, 520740, 593010, 630148, 787685, 945222, 1186020, 1417833, 1575370, 1732907, 1890444, 2363055, 2835666, 3150740, 3465814, 4726110, 5198721, 5671332, 6931628, 7089165, 8664535, 9452220, 10397442, 14178330, 15596163, 17329070, 20794884, 25993605, 28356660, 31192326, 34658140, 51987210, 62384652, 77980815, 103974420, 155961630, 311923260]

約数ペア:

[(1, 311923260), (2, 155961630), (3, 103974420), (4, 77980815), (5, 62384652), (6, 51987210), (9, 34658140), (10, 31192326), (11, 28356660), (12, 25993605), (15, 20794884), (18, 17329070), (20, 15596163), (22, 14178330), (30, 10397442), (33, 9452220), (36, 8664535), (44, 7089165), (45, 6931628), (55, 5671332), (60, 5198721), (66, 4726110), (90, 3465814), (99, 3150740), (110, 2835666), (132, 2363055), (165, 1890444), (180, 1732907), (198, 1575370), (220, 1417833), (263, 1186020), (330, 945222), (396, 787685), (495, 630148), (526, 593010), (599, 520740), (660, 472611), (789, 395340), (990, 315074), (1052, 296505), (1198, 260370), (1315, 237204), (1578, 197670), (1797, 173580), (1980, 157537), (2367, 131780), (2396, 130185), (2630, 118602), (2893, 107820), (2995, 104148), (3156, 98835), (3594, 86790), (3945, 79068), (4734, 65890), (5260, 59301), (5391, 57860), (5786, 53910), (5990, 52074), (6589, 47340), (7188, 43395), (7890, 39534), (8679, 35940), (8985, 34716), (9468, 32945), (10782, 28930), (11572, 26955), (11835, 26356), (11980, 26037), (13178, 23670), (14465, 21564), (15780, 19767), (17358, 17970)]