85966720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:676

約数の個数: 128

約数和(自身を含む): 242841600

約数和(自身を除く): 156874880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 619, 620, 640, 868, 896, 992, 1085, 1120, 1238, 1240, 1736, 1984, 2170, 2240, 2476, 2480, 3095, 3472, 3968, 4333, 4340, 4480, 4952, 4960, 6190, 6944, 8666, 8680, 9904, 9920, 12380, 13888, 17332, 17360, 19189, 19808, 19840, 21665, 24760, 27776, 34664, 34720, 38378, 39616, 43330, 49520, 69328, 69440, 76756, 79232, 86660, 95945, 99040, 134323, 138656, 138880, 153512, 173320, 191890, 198080, 268646, 277312, 307024, 346640, 383780, 396160, 537292, 554624, 614048, 671615, 693280, 767560, 1074584, 1228096, 1343230, 1386560, 1535120, 2149168, 2456192, 2686460, 2773120, 3070240, 4298336, 5372920, 6140480, 8596672, 10745840, 12280960, 17193344, 21491680, 42983360, 85966720]

約数ペア:

[(1, 85966720), (2, 42983360), (4, 21491680), (5, 17193344), (7, 12280960), (8, 10745840), (10, 8596672), (14, 6140480), (16, 5372920), (20, 4298336), (28, 3070240), (31, 2773120), (32, 2686460), (35, 2456192), (40, 2149168), (56, 1535120), (62, 1386560), (64, 1343230), (70, 1228096), (80, 1074584), (112, 767560), (124, 693280), (128, 671615), (140, 614048), (155, 554624), (160, 537292), (217, 396160), (224, 383780), (248, 346640), (280, 307024), (310, 277312), (320, 268646), (434, 198080), (448, 191890), (496, 173320), (560, 153512), (619, 138880), (620, 138656), (640, 134323), (868, 99040), (896, 95945), (992, 86660), (1085, 79232), (1120, 76756), (1238, 69440), (1240, 69328), (1736, 49520), (1984, 43330), (2170, 39616), (2240, 38378), (2476, 34720), (2480, 34664), (3095, 27776), (3472, 24760), (3968, 21665), (4333, 19840), (4340, 19808), (4480, 19189), (4952, 17360), (4960, 17332), (6190, 13888), (6944, 12380), (8666, 9920), (8680, 9904)]