280160160

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:643

約数の個数: 192

約数和(自身を含む): 1016064000

約数和(自身を除く): 735903840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 199, 210, 224, 240, 280, 336, 398, 419, 420, 480, 560, 597, 672, 796, 838, 840, 995, 1120, 1194, 1257, 1393, 1592, 1676, 1680, 1990, 2095, 2388, 2514, 2786, 2933, 2985, 3184, 3352, 3360, 3980, 4179, 4190, 4776, 5028, 5572, 5866, 5970, 6285, 6368, 6704, 6965, 7960, 8358, 8380, 8799, 9552, 10056, 11144, 11732, 11940, 12570, 13408, 13930, 14665, 15920, 16716, 16760, 17598, 19104, 20112, 20895, 22288, 23464, 23880, 25140, 27860, 29330, 31840, 33432, 33520, 35196, 40224, 41790, 43995, 44576, 46928, 47760, 50280, 55720, 58660, 66864, 67040, 70392, 83381, 83580, 87990, 93856, 95520, 100560, 111440, 117320, 133728, 140784, 166762, 167160, 175980, 201120, 222880, 234640, 250143, 281568, 333524, 334320, 351960, 416905, 469280, 500286, 583667, 667048, 668640, 703920, 833810, 1000572, 1167334, 1250715, 1334096, 1407840, 1667620, 1751001, 2001144, 2334668, 2501430, 2668192, 2918335, 3335240, 3502002, 4002288, 4669336, 5002860, 5836670, 6670480, 7004004, 8004576, 8755005, 9338672, 10005720, 11673340, 13340960, 14008008, 17510010, 18677344, 20011440, 23346680, 28016016, 35020020, 40022880, 46693360, 56032032, 70040040, 93386720, 140080080, 280160160]

約数ペア:

[(1, 280160160), (2, 140080080), (3, 93386720), (4, 70040040), (5, 56032032), (6, 46693360), (7, 40022880), (8, 35020020), (10, 28016016), (12, 23346680), (14, 20011440), (15, 18677344), (16, 17510010), (20, 14008008), (21, 13340960), (24, 11673340), (28, 10005720), (30, 9338672), (32, 8755005), (35, 8004576), (40, 7004004), (42, 6670480), (48, 5836670), (56, 5002860), (60, 4669336), (70, 4002288), (80, 3502002), (84, 3335240), (96, 2918335), (105, 2668192), (112, 2501430), (120, 2334668), (140, 2001144), (160, 1751001), (168, 1667620), (199, 1407840), (210, 1334096), (224, 1250715), (240, 1167334), (280, 1000572), (336, 833810), (398, 703920), (419, 668640), (420, 667048), (480, 583667), (560, 500286), (597, 469280), (672, 416905), (796, 351960), (838, 334320), (840, 333524), (995, 281568), (1120, 250143), (1194, 234640), (1257, 222880), (1393, 201120), (1592, 175980), (1676, 167160), (1680, 166762), (1990, 140784), (2095, 133728), (2388, 117320), (2514, 111440), (2786, 100560), (2933, 95520), (2985, 93856), (3184, 87990), (3352, 83580), (3360, 83381), (3980, 70392), (4179, 67040), (4190, 66864), (4776, 58660), (5028, 55720), (5572, 50280), (5866, 47760), (5970, 46928), (6285, 44576), (6368, 43995), (6704, 41790), (6965, 40224), (7960, 35196), (8358, 33520), (8380, 33432), (8799, 31840), (9552, 29330), (10056, 27860), (11144, 25140), (11732, 23880), (11940, 23464), (12570, 22288), (13408, 20895), (13930, 20112), (14665, 19104), (15920, 17598), (16716, 16760)]