423818360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:517

約数の個数: 128

約数和(自身を含む): 1135779840

約数和(自身を除く): 711961480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 157, 217, 248, 280, 310, 311, 314, 434, 620, 622, 628, 785, 868, 1085, 1099, 1240, 1244, 1256, 1555, 1570, 1736, 2170, 2177, 2198, 2488, 3110, 3140, 4340, 4354, 4396, 4867, 5495, 6220, 6280, 8680, 8708, 8792, 9641, 9734, 10885, 10990, 12440, 17416, 19282, 19468, 21770, 21980, 24335, 34069, 38564, 38936, 43540, 43960, 48205, 48670, 48827, 67487, 68138, 77128, 87080, 96410, 97340, 97654, 134974, 136276, 170345, 192820, 194680, 195308, 244135, 269948, 272552, 337435, 340690, 341789, 385640, 390616, 488270, 539896, 674870, 681380, 683578, 976540, 1349740, 1362760, 1367156, 1513637, 1708945, 1953080, 2699480, 2734312, 3027274, 3417890, 6054548, 6835780, 7568185, 10595459, 12109096, 13671560, 15136370, 21190918, 30272740, 42381836, 52977295, 60545480, 84763672, 105954590, 211909180, 423818360]

約数ペア:

[(1, 423818360), (2, 211909180), (4, 105954590), (5, 84763672), (7, 60545480), (8, 52977295), (10, 42381836), (14, 30272740), (20, 21190918), (28, 15136370), (31, 13671560), (35, 12109096), (40, 10595459), (56, 7568185), (62, 6835780), (70, 6054548), (124, 3417890), (140, 3027274), (155, 2734312), (157, 2699480), (217, 1953080), (248, 1708945), (280, 1513637), (310, 1367156), (311, 1362760), (314, 1349740), (434, 976540), (620, 683578), (622, 681380), (628, 674870), (785, 539896), (868, 488270), (1085, 390616), (1099, 385640), (1240, 341789), (1244, 340690), (1256, 337435), (1555, 272552), (1570, 269948), (1736, 244135), (2170, 195308), (2177, 194680), (2198, 192820), (2488, 170345), (3110, 136276), (3140, 134974), (4340, 97654), (4354, 97340), (4396, 96410), (4867, 87080), (5495, 77128), (6220, 68138), (6280, 67487), (8680, 48827), (8708, 48670), (8792, 48205), (9641, 43960), (9734, 43540), (10885, 38936), (10990, 38564), (12440, 34069), (17416, 24335), (19282, 21980), (19468, 21770)]