248309040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2423}}^1$

素因数の和:2507

約数の個数: 160

約数和(自身を含む): 894514176

約数和(自身を除く): 646205136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 210, 240, 244, 280, 305, 336, 366, 420, 427, 488, 560, 610, 732, 840, 854, 915, 976, 1220, 1281, 1464, 1680, 1708, 1830, 2135, 2423, 2440, 2562, 2928, 3416, 3660, 4270, 4846, 4880, 5124, 6405, 6832, 7269, 7320, 8540, 9692, 10248, 12115, 12810, 14538, 14640, 16961, 17080, 19384, 20496, 24230, 25620, 29076, 33922, 34160, 36345, 38768, 48460, 50883, 51240, 58152, 67844, 72690, 84805, 96920, 101766, 102480, 116304, 135688, 145380, 147803, 169610, 193840, 203532, 254415, 271376, 290760, 295606, 339220, 407064, 443409, 508830, 581520, 591212, 678440, 739015, 814128, 886818, 1017660, 1034621, 1182424, 1356880, 1478030, 1773636, 2035320, 2069242, 2217045, 2364848, 2956060, 3103863, 3547272, 4070640, 4138484, 4434090, 5173105, 5912120, 6207726, 7094544, 8276968, 8868180, 10346210, 11824240, 12415452, 15519315, 16553936, 17736360, 20692420, 24830904, 31038630, 35472720, 41384840, 49661808, 62077260, 82769680, 124154520, 248309040]

約数ペア:

[(1, 248309040), (2, 124154520), (3, 82769680), (4, 62077260), (5, 49661808), (6, 41384840), (7, 35472720), (8, 31038630), (10, 24830904), (12, 20692420), (14, 17736360), (15, 16553936), (16, 15519315), (20, 12415452), (21, 11824240), (24, 10346210), (28, 8868180), (30, 8276968), (35, 7094544), (40, 6207726), (42, 5912120), (48, 5173105), (56, 4434090), (60, 4138484), (61, 4070640), (70, 3547272), (80, 3103863), (84, 2956060), (105, 2364848), (112, 2217045), (120, 2069242), (122, 2035320), (140, 1773636), (168, 1478030), (183, 1356880), (210, 1182424), (240, 1034621), (244, 1017660), (280, 886818), (305, 814128), (336, 739015), (366, 678440), (420, 591212), (427, 581520), (488, 508830), (560, 443409), (610, 407064), (732, 339220), (840, 295606), (854, 290760), (915, 271376), (976, 254415), (1220, 203532), (1281, 193840), (1464, 169610), (1680, 147803), (1708, 145380), (1830, 135688), (2135, 116304), (2423, 102480), (2440, 101766), (2562, 96920), (2928, 84805), (3416, 72690), (3660, 67844), (4270, 58152), (4846, 51240), (4880, 50883), (5124, 48460), (6405, 38768), (6832, 36345), (7269, 34160), (7320, 33922), (8540, 29076), (9692, 25620), (10248, 24230), (12115, 20496), (12810, 19384), (14538, 17080), (14640, 16961)]