305235760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8731}}^1$

素因数の和:8786

約数の個数: 80

約数和(自身を含む): 779592960

約数和(自身を除く): 474357200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2185, 3496, 4370, 6992, 8731, 8740, 17462, 17480, 34924, 34960, 43655, 69848, 87310, 139696, 165889, 174620, 200813, 331778, 349240, 401626, 663556, 698480, 803252, 829445, 1004065, 1327112, 1606504, 1658890, 2008130, 2654224, 3213008, 3317780, 3815447, 4016260, 6635560, 7630894, 8032520, 13271120, 15261788, 16065040, 19077235, 30523576, 38154470, 61047152, 76308940, 152617880, 305235760]

約数ペア:

[(1, 305235760), (2, 152617880), (4, 76308940), (5, 61047152), (8, 38154470), (10, 30523576), (16, 19077235), (19, 16065040), (20, 15261788), (23, 13271120), (38, 8032520), (40, 7630894), (46, 6635560), (76, 4016260), (80, 3815447), (92, 3317780), (95, 3213008), (115, 2654224), (152, 2008130), (184, 1658890), (190, 1606504), (230, 1327112), (304, 1004065), (368, 829445), (380, 803252), (437, 698480), (460, 663556), (760, 401626), (874, 349240), (920, 331778), (1520, 200813), (1748, 174620), (1840, 165889), (2185, 139696), (3496, 87310), (4370, 69848), (6992, 43655), (8731, 34960), (8740, 34924), (17462, 17480)]