248272640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{229}}^1$

素因数の和:279

約数の個数: 216

約数和(自身を含む): 750311520

約数和(自身を除く): 502038880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 121, 128, 140, 154, 160, 176, 220, 224, 229, 242, 256, 280, 308, 320, 352, 385, 440, 448, 458, 484, 560, 605, 616, 640, 704, 770, 847, 880, 896, 916, 968, 1120, 1145, 1210, 1232, 1280, 1408, 1540, 1603, 1694, 1760, 1792, 1832, 1936, 2240, 2290, 2420, 2464, 2519, 2816, 3080, 3206, 3388, 3520, 3664, 3872, 4235, 4480, 4580, 4840, 4928, 5038, 6160, 6412, 6776, 7040, 7328, 7744, 8015, 8470, 8960, 9160, 9680, 9856, 10076, 12320, 12595, 12824, 13552, 14080, 14656, 15488, 16030, 16940, 17633, 18320, 19360, 19712, 20152, 24640, 25190, 25648, 27104, 27709, 29312, 30976, 32060, 33880, 35266, 36640, 38720, 40304, 49280, 50380, 51296, 54208, 55418, 58624, 64120, 67760, 70532, 73280, 77440, 80608, 88165, 98560, 100760, 102592, 108416, 110836, 128240, 135520, 138545, 141064, 146560, 154880, 161216, 176330, 193963, 201520, 205184, 216832, 221672, 256480, 271040, 277090, 282128, 293120, 322432, 352660, 387926, 403040, 410368, 443344, 512960, 542080, 554180, 564256, 644864, 705320, 775852, 806080, 886688, 969815, 1025920, 1084160, 1108360, 1128512, 1410640, 1551704, 1612160, 1773376, 1939630, 2051840, 2216720, 2257024, 2821280, 3103408, 3224320, 3546752, 3879260, 4433440, 4514048, 5642560, 6206816, 7093504, 7758520, 8866880, 11285120, 12413632, 15517040, 17733760, 22570240, 24827264, 31034080, 35467520, 49654528, 62068160, 124136320, 248272640]

約数ペア:

[(1, 248272640), (2, 124136320), (4, 62068160), (5, 49654528), (7, 35467520), (8, 31034080), (10, 24827264), (11, 22570240), (14, 17733760), (16, 15517040), (20, 12413632), (22, 11285120), (28, 8866880), (32, 7758520), (35, 7093504), (40, 6206816), (44, 5642560), (55, 4514048), (56, 4433440), (64, 3879260), (70, 3546752), (77, 3224320), (80, 3103408), (88, 2821280), (110, 2257024), (112, 2216720), (121, 2051840), (128, 1939630), (140, 1773376), (154, 1612160), (160, 1551704), (176, 1410640), (220, 1128512), (224, 1108360), (229, 1084160), (242, 1025920), (256, 969815), (280, 886688), (308, 806080), (320, 775852), (352, 705320), (385, 644864), (440, 564256), (448, 554180), (458, 542080), (484, 512960), (560, 443344), (605, 410368), (616, 403040), (640, 387926), (704, 352660), (770, 322432), (847, 293120), (880, 282128), (896, 277090), (916, 271040), (968, 256480), (1120, 221672), (1145, 216832), (1210, 205184), (1232, 201520), (1280, 193963), (1408, 176330), (1540, 161216), (1603, 154880), (1694, 146560), (1760, 141064), (1792, 138545), (1832, 135520), (1936, 128240), (2240, 110836), (2290, 108416), (2420, 102592), (2464, 100760), (2519, 98560), (2816, 88165), (3080, 80608), (3206, 77440), (3388, 73280), (3520, 70532), (3664, 67760), (3872, 64120), (4235, 58624), (4480, 55418), (4580, 54208), (4840, 51296), (4928, 50380), (5038, 49280), (6160, 40304), (6412, 38720), (6776, 36640), (7040, 35266), (7328, 33880), (7744, 32060), (8015, 30976), (8470, 29312), (8960, 27709), (9160, 27104), (9680, 25648), (9856, 25190), (10076, 24640), (12320, 20152), (12595, 19712), (12824, 19360), (13552, 18320), (14080, 17633), (14656, 16940), (15488, 16030)]