245098980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 288

約数和(自身を含む): 907804800

約数和(自身を除く): 662705820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 59, 60, 63, 70, 84, 90, 98, 105, 108, 118, 126, 135, 140, 147, 157, 177, 180, 189, 196, 210, 236, 245, 252, 270, 294, 295, 314, 315, 354, 378, 413, 420, 441, 471, 490, 531, 540, 588, 590, 628, 630, 708, 735, 756, 785, 826, 882, 885, 942, 945, 980, 1062, 1099, 1180, 1239, 1260, 1323, 1413, 1470, 1570, 1593, 1652, 1764, 1770, 1884, 1890, 2065, 2124, 2198, 2205, 2355, 2478, 2646, 2655, 2826, 2891, 2940, 3140, 3186, 3297, 3540, 3717, 3780, 4130, 4239, 4396, 4410, 4710, 4956, 5292, 5310, 5495, 5652, 5782, 6195, 6372, 6594, 6615, 7065, 7434, 7693, 7965, 8260, 8478, 8673, 8820, 9263, 9420, 9891, 10620, 10990, 11151, 11564, 12390, 13188, 13230, 14130, 14455, 14868, 15386, 15930, 16485, 16956, 17346, 18526, 18585, 19782, 21195, 21980, 22302, 23079, 24780, 26019, 26460, 27789, 28260, 28910, 29673, 30772, 31860, 32970, 34692, 37052, 37170, 38465, 39564, 42390, 43365, 44604, 46158, 46315, 49455, 52038, 55578, 55755, 57820, 59346, 64841, 65940, 69237, 74340, 76930, 78057, 83367, 84780, 86730, 92316, 92630, 98910, 104076, 111156, 111510, 115395, 118692, 129682, 130095, 138474, 138945, 148365, 153860, 156114, 166734, 173460, 185260, 194523, 197820, 207711, 223020, 230790, 250101, 259364, 260190, 276948, 277890, 296730, 312228, 324205, 333468, 346185, 389046, 390285, 415422, 416835, 453887, 461580, 500202, 520380, 555780, 583569, 593460, 648410, 692370, 778092, 780570, 830844, 833670, 907774, 972615, 1000404, 1038555, 1167138, 1250505, 1296820, 1361661, 1384740, 1561140, 1667340, 1750707, 1815548, 1945230, 2077110, 2269435, 2334276, 2501010, 2723322, 2917845, 3501414, 3890460, 4084983, 4154220, 4538870, 5002020, 5446644, 5835690, 6808305, 7002828, 8169966, 8753535, 9077740, 11671380, 12254949, 13616610, 16339932, 17507070, 20424915, 24509898, 27233220, 35014140, 40849830, 49019796, 61274745, 81699660, 122549490, 245098980]

約数ペア:

[(1, 245098980), (2, 122549490), (3, 81699660), (4, 61274745), (5, 49019796), (6, 40849830), (7, 35014140), (9, 27233220), (10, 24509898), (12, 20424915), (14, 17507070), (15, 16339932), (18, 13616610), (20, 12254949), (21, 11671380), (27, 9077740), (28, 8753535), (30, 8169966), (35, 7002828), (36, 6808305), (42, 5835690), (45, 5446644), (49, 5002020), (54, 4538870), (59, 4154220), (60, 4084983), (63, 3890460), (70, 3501414), (84, 2917845), (90, 2723322), (98, 2501010), (105, 2334276), (108, 2269435), (118, 2077110), (126, 1945230), (135, 1815548), (140, 1750707), (147, 1667340), (157, 1561140), (177, 1384740), (180, 1361661), (189, 1296820), (196, 1250505), (210, 1167138), (236, 1038555), (245, 1000404), (252, 972615), (270, 907774), (294, 833670), (295, 830844), (314, 780570), (315, 778092), (354, 692370), (378, 648410), (413, 593460), (420, 583569), (441, 555780), (471, 520380), (490, 500202), (531, 461580), (540, 453887), (588, 416835), (590, 415422), (628, 390285), (630, 389046), (708, 346185), (735, 333468), (756, 324205), (785, 312228), (826, 296730), (882, 277890), (885, 276948), (942, 260190), (945, 259364), (980, 250101), (1062, 230790), (1099, 223020), (1180, 207711), (1239, 197820), (1260, 194523), (1323, 185260), (1413, 173460), (1470, 166734), (1570, 156114), (1593, 153860), (1652, 148365), (1764, 138945), (1770, 138474), (1884, 130095), (1890, 129682), (2065, 118692), (2124, 115395), (2198, 111510), (2205, 111156), (2355, 104076), (2478, 98910), (2646, 92630), (2655, 92316), (2826, 86730), (2891, 84780), (2940, 83367), (3140, 78057), (3186, 76930), (3297, 74340), (3540, 69237), (3717, 65940), (3780, 64841), (4130, 59346), (4239, 57820), (4396, 55755), (4410, 55578), (4710, 52038), (4956, 49455), (5292, 46315), (5310, 46158), (5495, 44604), (5652, 43365), (5782, 42390), (6195, 39564), (6372, 38465), (6594, 37170), (6615, 37052), (7065, 34692), (7434, 32970), (7693, 31860), (7965, 30772), (8260, 29673), (8478, 28910), (8673, 28260), (8820, 27789), (9263, 26460), (9420, 26019), (9891, 24780), (10620, 23079), (10990, 22302), (11151, 21980), (11564, 21195), (12390, 19782), (13188, 18585), (13230, 18526), (14130, 17346), (14455, 16956), (14868, 16485), (15386, 15930)]