378234160

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{433}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 900879840

約数和(自身を除く): 522645680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 179, 244, 305, 358, 433, 488, 610, 716, 866, 895, 976, 1220, 1432, 1732, 1790, 2165, 2440, 2864, 3464, 3580, 4330, 4880, 6928, 7160, 8660, 10919, 14320, 17320, 21838, 26413, 34640, 43676, 52826, 54595, 77507, 87352, 105652, 109190, 132065, 155014, 174704, 211304, 218380, 264130, 310028, 387535, 422608, 436760, 528260, 620056, 775070, 873520, 1056520, 1240112, 1550140, 2113040, 3100280, 4727927, 6200560, 9455854, 18911708, 23639635, 37823416, 47279270, 75646832, 94558540, 189117080, 378234160]

約数ペア:

[(1, 378234160), (2, 189117080), (4, 94558540), (5, 75646832), (8, 47279270), (10, 37823416), (16, 23639635), (20, 18911708), (40, 9455854), (61, 6200560), (80, 4727927), (122, 3100280), (179, 2113040), (244, 1550140), (305, 1240112), (358, 1056520), (433, 873520), (488, 775070), (610, 620056), (716, 528260), (866, 436760), (895, 422608), (976, 387535), (1220, 310028), (1432, 264130), (1732, 218380), (1790, 211304), (2165, 174704), (2440, 155014), (2864, 132065), (3464, 109190), (3580, 105652), (4330, 87352), (4880, 77507), (6928, 54595), (7160, 52826), (8660, 43676), (10919, 34640), (14320, 26413), (17320, 21838)]