248705820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:657

約数の個数: 216

約数和(自身を含む): 874320720

約数和(自身を除く): 625614900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 121, 132, 165, 171, 180, 190, 198, 209, 220, 228, 242, 285, 330, 342, 363, 380, 396, 418, 484, 495, 570, 601, 605, 627, 660, 684, 726, 836, 855, 990, 1045, 1089, 1140, 1202, 1210, 1254, 1452, 1710, 1803, 1815, 1881, 1980, 2090, 2178, 2299, 2404, 2420, 2508, 3005, 3135, 3420, 3606, 3630, 3762, 4180, 4356, 4598, 5409, 5445, 6010, 6270, 6611, 6897, 7212, 7260, 7524, 9015, 9196, 9405, 10818, 10890, 11419, 11495, 12020, 12540, 13222, 13794, 18030, 18810, 19833, 20691, 21636, 21780, 22838, 22990, 26444, 27045, 27588, 33055, 34257, 34485, 36060, 37620, 39666, 41382, 45676, 45980, 54090, 57095, 59499, 66110, 68514, 68970, 72721, 79332, 82764, 99165, 102771, 103455, 108180, 114190, 118998, 125609, 132220, 137028, 137940, 145442, 171285, 198330, 205542, 206910, 218163, 228380, 237996, 251218, 290884, 297495, 342570, 363605, 376827, 396660, 411084, 413820, 436326, 502436, 513855, 594990, 628045, 654489, 685140, 727210, 753654, 872652, 1027710, 1090815, 1130481, 1189980, 1256090, 1308978, 1381699, 1454420, 1507308, 1884135, 2055420, 2181630, 2260962, 2512180, 2617956, 2763398, 3272445, 3768270, 4145097, 4363260, 4521924, 5526796, 5652405, 6544890, 6908495, 7536540, 8290194, 11304810, 12435291, 13089780, 13816990, 16580388, 20725485, 22609620, 24870582, 27633980, 41450970, 49741164, 62176455, 82901940, 124352910, 248705820]

約数ペア:

[(1, 248705820), (2, 124352910), (3, 82901940), (4, 62176455), (5, 49741164), (6, 41450970), (9, 27633980), (10, 24870582), (11, 22609620), (12, 20725485), (15, 16580388), (18, 13816990), (19, 13089780), (20, 12435291), (22, 11304810), (30, 8290194), (33, 7536540), (36, 6908495), (38, 6544890), (44, 5652405), (45, 5526796), (55, 4521924), (57, 4363260), (60, 4145097), (66, 3768270), (76, 3272445), (90, 2763398), (95, 2617956), (99, 2512180), (110, 2260962), (114, 2181630), (121, 2055420), (132, 1884135), (165, 1507308), (171, 1454420), (180, 1381699), (190, 1308978), (198, 1256090), (209, 1189980), (220, 1130481), (228, 1090815), (242, 1027710), (285, 872652), (330, 753654), (342, 727210), (363, 685140), (380, 654489), (396, 628045), (418, 594990), (484, 513855), (495, 502436), (570, 436326), (601, 413820), (605, 411084), (627, 396660), (660, 376827), (684, 363605), (726, 342570), (836, 297495), (855, 290884), (990, 251218), (1045, 237996), (1089, 228380), (1140, 218163), (1202, 206910), (1210, 205542), (1254, 198330), (1452, 171285), (1710, 145442), (1803, 137940), (1815, 137028), (1881, 132220), (1980, 125609), (2090, 118998), (2178, 114190), (2299, 108180), (2404, 103455), (2420, 102771), (2508, 99165), (3005, 82764), (3135, 79332), (3420, 72721), (3606, 68970), (3630, 68514), (3762, 66110), (4180, 59499), (4356, 57095), (4598, 54090), (5409, 45980), (5445, 45676), (6010, 41382), (6270, 39666), (6611, 37620), (6897, 36060), (7212, 34485), (7260, 34257), (7524, 33055), (9015, 27588), (9196, 27045), (9405, 26444), (10818, 22990), (10890, 22838), (11419, 21780), (11495, 21636), (12020, 20691), (12540, 19833), (13222, 18810), (13794, 18030)]