668971520

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{5333}}^1$

素因数の和:5370

約数の個数: 120

約数和(自身を含む): 1866185244

約数和(自身を除く): 1197213724

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 2560, 3136, 3584, 3920, 4480, 5333, 6272, 7840, 8960, 10666, 12544, 15680, 17920, 21332, 25088, 26665, 31360, 37331, 42664, 53330, 62720, 74662, 85328, 106660, 125440, 149324, 170656, 186655, 213320, 261317, 298648, 341312, 373310, 426640, 522634, 597296, 682624, 746620, 853280, 1045268, 1194592, 1306585, 1365248, 1493240, 1706560, 2090536, 2389184, 2613170, 2730496, 2986480, 3413120, 4181072, 4778368, 5226340, 5972960, 6826240, 8362144, 9556736, 10452680, 11945920, 13652480, 16724288, 19113472, 20905360, 23891840, 33448576, 41810720, 47783680, 66897152, 83621440, 95567360, 133794304, 167242880, 334485760, 668971520]

約数ペア:

[(1, 668971520), (2, 334485760), (4, 167242880), (5, 133794304), (7, 95567360), (8, 83621440), (10, 66897152), (14, 47783680), (16, 41810720), (20, 33448576), (28, 23891840), (32, 20905360), (35, 19113472), (40, 16724288), (49, 13652480), (56, 11945920), (64, 10452680), (70, 9556736), (80, 8362144), (98, 6826240), (112, 5972960), (128, 5226340), (140, 4778368), (160, 4181072), (196, 3413120), (224, 2986480), (245, 2730496), (256, 2613170), (280, 2389184), (320, 2090536), (392, 1706560), (448, 1493240), (490, 1365248), (512, 1306585), (560, 1194592), (640, 1045268), (784, 853280), (896, 746620), (980, 682624), (1120, 597296), (1280, 522634), (1568, 426640), (1792, 373310), (1960, 341312), (2240, 298648), (2560, 261317), (3136, 213320), (3584, 186655), (3920, 170656), (4480, 149324), (5333, 125440), (6272, 106660), (7840, 85328), (8960, 74662), (10666, 62720), (12544, 53330), (15680, 42664), (17920, 37331), (21332, 31360), (25088, 26665)]