66444160

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 174493440

約数和(自身を除く): 108049280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 197, 248, 272, 310, 320, 340, 394, 496, 527, 544, 620, 640, 680, 788, 985, 992, 1054, 1088, 1240, 1360, 1576, 1970, 1984, 2108, 2176, 2480, 2635, 2720, 3152, 3349, 3940, 3968, 4216, 4960, 5270, 5440, 6107, 6304, 6698, 7880, 8432, 9920, 10540, 10880, 12214, 12608, 13396, 15760, 16745, 16864, 19840, 21080, 24428, 25216, 26792, 30535, 31520, 33490, 33728, 42160, 48856, 53584, 61070, 63040, 66980, 67456, 84320, 97712, 103819, 107168, 122140, 126080, 133960, 168640, 195424, 207638, 214336, 244280, 267920, 337280, 390848, 415276, 428672, 488560, 519095, 535840, 781696, 830552, 977120, 1038190, 1071680, 1661104, 1954240, 2076380, 2143360, 3322208, 3908480, 4152760, 6644416, 8305520, 13288832, 16611040, 33222080, 66444160]

約数ペア:

[(1, 66444160), (2, 33222080), (4, 16611040), (5, 13288832), (8, 8305520), (10, 6644416), (16, 4152760), (17, 3908480), (20, 3322208), (31, 2143360), (32, 2076380), (34, 1954240), (40, 1661104), (62, 1071680), (64, 1038190), (68, 977120), (80, 830552), (85, 781696), (124, 535840), (128, 519095), (136, 488560), (155, 428672), (160, 415276), (170, 390848), (197, 337280), (248, 267920), (272, 244280), (310, 214336), (320, 207638), (340, 195424), (394, 168640), (496, 133960), (527, 126080), (544, 122140), (620, 107168), (640, 103819), (680, 97712), (788, 84320), (985, 67456), (992, 66980), (1054, 63040), (1088, 61070), (1240, 53584), (1360, 48856), (1576, 42160), (1970, 33728), (1984, 33490), (2108, 31520), (2176, 30535), (2480, 26792), (2635, 25216), (2720, 24428), (3152, 21080), (3349, 19840), (3940, 16864), (3968, 16745), (4216, 15760), (4960, 13396), (5270, 12608), (5440, 12214), (6107, 10880), (6304, 10540), (6698, 9920), (7880, 8432)]