308750080

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^2\times {\mathrm{251}}^1$

素因数の和:334

約数の個数: 108

約数和(自身を含む): 767223576

約数和(自身を除く): 458473496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 251, 256, 310, 320, 496, 502, 620, 640, 961, 992, 1004, 1240, 1255, 1280, 1922, 1984, 2008, 2480, 2510, 3844, 3968, 4016, 4805, 4960, 5020, 7688, 7781, 7936, 8032, 9610, 9920, 10040, 15376, 15562, 16064, 19220, 19840, 20080, 30752, 31124, 32128, 38440, 38905, 39680, 40160, 61504, 62248, 64256, 76880, 77810, 80320, 123008, 124496, 153760, 155620, 160640, 241211, 246016, 248992, 307520, 311240, 321280, 482422, 497984, 615040, 622480, 964844, 995968, 1206055, 1230080, 1244960, 1929688, 1991936, 2412110, 2489920, 3859376, 4824220, 4979840, 7718752, 9648440, 9959680, 15437504, 19296880, 30875008, 38593760, 61750016, 77187520, 154375040, 308750080]

約数ペア:

[(1, 308750080), (2, 154375040), (4, 77187520), (5, 61750016), (8, 38593760), (10, 30875008), (16, 19296880), (20, 15437504), (31, 9959680), (32, 9648440), (40, 7718752), (62, 4979840), (64, 4824220), (80, 3859376), (124, 2489920), (128, 2412110), (155, 1991936), (160, 1929688), (248, 1244960), (251, 1230080), (256, 1206055), (310, 995968), (320, 964844), (496, 622480), (502, 615040), (620, 497984), (640, 482422), (961, 321280), (992, 311240), (1004, 307520), (1240, 248992), (1255, 246016), (1280, 241211), (1922, 160640), (1984, 155620), (2008, 153760), (2480, 124496), (2510, 123008), (3844, 80320), (3968, 77810), (4016, 76880), (4805, 64256), (4960, 62248), (5020, 61504), (7688, 40160), (7781, 39680), (7936, 38905), (8032, 38440), (9610, 32128), (9920, 31124), (10040, 30752), (15376, 20080), (15562, 19840), (16064, 19220)]