71409920

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1187}}^1$

素因数の和:1255

約数の個数: 72

約数和(自身を含む): 174835584

約数和(自身を除く): 103425664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 640, 752, 940, 1187, 1280, 1504, 1880, 2374, 3008, 3760, 4748, 5935, 6016, 7520, 9496, 11870, 12032, 15040, 18992, 23740, 30080, 37984, 47480, 55789, 60160, 75968, 94960, 111578, 151936, 189920, 223156, 278945, 303872, 379840, 446312, 557890, 759680, 892624, 1115780, 1519360, 1785248, 2231560, 3570496, 4463120, 7140992, 8926240, 14281984, 17852480, 35704960, 71409920]

約数ペア:

[(1, 71409920), (2, 35704960), (4, 17852480), (5, 14281984), (8, 8926240), (10, 7140992), (16, 4463120), (20, 3570496), (32, 2231560), (40, 1785248), (47, 1519360), (64, 1115780), (80, 892624), (94, 759680), (128, 557890), (160, 446312), (188, 379840), (235, 303872), (256, 278945), (320, 223156), (376, 189920), (470, 151936), (640, 111578), (752, 94960), (940, 75968), (1187, 60160), (1280, 55789), (1504, 47480), (1880, 37984), (2374, 30080), (3008, 23740), (3760, 18992), (4748, 15040), (5935, 12032), (6016, 11870), (7520, 9496)]