171933440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:678

約数の個数: 144

約数和(自身を含む): 486635520

約数和(自身を除く): 314702080

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, 256, 280, 310, 320, 434, 448, 496, 560, 619, 620, 640, 868, 896, 992, 1085, 1120, 1238, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2476, 2480, 3095, 3472, 3968, 4333, 4340, 4480, 4952, 4960, 6190, 6944, 7936, 8666, 8680, 8960, 9904, 9920, 12380, 13888, 17332, 17360, 19189, 19808, 19840, 21665, 24760, 27776, 34664, 34720, 38378, 39616, 39680, 43330, 49520, 55552, 69328, 69440, 76756, 79232, 86660, 95945, 99040, 134323, 138656, 138880, 153512, 158464, 173320, 191890, 198080, 268646, 277312, 277760, 307024, 346640, 383780, 396160, 537292, 554624, 614048, 671615, 693280, 767560, 792320, 1074584, 1109248, 1228096, 1343230, 1386560, 1535120, 2149168, 2456192, 2686460, 2773120, 3070240, 4298336, 4912384, 5372920, 5546240, 6140480, 8596672, 10745840, 12280960, 17193344, 21491680, 24561920, 34386688, 42983360, 85966720, 171933440]

約数ペア:

[(1, 171933440), (2, 85966720), (4, 42983360), (5, 34386688), (7, 24561920), (8, 21491680), (10, 17193344), (14, 12280960), (16, 10745840), (20, 8596672), (28, 6140480), (31, 5546240), (32, 5372920), (35, 4912384), (40, 4298336), (56, 3070240), (62, 2773120), (64, 2686460), (70, 2456192), (80, 2149168), (112, 1535120), (124, 1386560), (128, 1343230), (140, 1228096), (155, 1109248), (160, 1074584), (217, 792320), (224, 767560), (248, 693280), (256, 671615), (280, 614048), (310, 554624), (320, 537292), (434, 396160), (448, 383780), (496, 346640), (560, 307024), (619, 277760), (620, 277312), (640, 268646), (868, 198080), (896, 191890), (992, 173320), (1085, 158464), (1120, 153512), (1238, 138880), (1240, 138656), (1280, 134323), (1736, 99040), (1792, 95945), (1984, 86660), (2170, 79232), (2240, 76756), (2476, 69440), (2480, 69328), (3095, 55552), (3472, 49520), (3968, 43330), (4333, 39680), (4340, 39616), (4480, 38378), (4952, 34720), (4960, 34664), (6190, 27776), (6944, 24760), (7936, 21665), (8666, 19840), (8680, 19808), (8960, 19189), (9904, 17360), (9920, 17332), (12380, 13888)]