251408640

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 288

約数和(自身を含む): 941875200

約数和(自身を除く): 690466560

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, 47, 48, 56, 60, 64, 70, 80, 84, 94, 96, 105, 112, 120, 128, 140, 141, 160, 168, 188, 192, 199, 210, 224, 235, 240, 256, 280, 282, 320, 329, 336, 376, 384, 398, 420, 448, 470, 480, 560, 564, 597, 640, 658, 672, 705, 752, 768, 796, 840, 896, 940, 960, 987, 995, 1120, 1128, 1194, 1280, 1316, 1344, 1393, 1410, 1504, 1592, 1645, 1680, 1792, 1880, 1920, 1974, 1990, 2240, 2256, 2388, 2632, 2688, 2786, 2820, 2985, 3008, 3184, 3290, 3360, 3760, 3840, 3948, 3980, 4179, 4480, 4512, 4776, 4935, 5264, 5376, 5572, 5640, 5970, 6016, 6368, 6580, 6720, 6965, 7520, 7896, 7960, 8358, 8960, 9024, 9353, 9552, 9870, 10528, 11144, 11280, 11940, 12032, 12736, 13160, 13440, 13930, 15040, 15792, 15920, 16716, 18048, 18706, 19104, 19740, 20895, 21056, 22288, 22560, 23880, 25472, 26320, 26880, 27860, 28059, 30080, 31584, 31840, 33432, 36096, 37412, 38208, 39480, 41790, 42112, 44576, 45120, 46765, 47760, 50944, 52640, 55720, 56118, 60160, 63168, 63680, 65471, 66864, 74824, 76416, 78960, 83580, 84224, 89152, 90240, 93530, 95520, 105280, 111440, 112236, 126336, 127360, 130942, 133728, 140295, 149648, 152832, 157920, 167160, 178304, 180480, 187060, 191040, 196413, 210560, 222880, 224472, 252672, 254720, 261884, 267456, 280590, 299296, 315840, 327355, 334320, 356608, 374120, 382080, 392826, 421120, 445760, 448944, 523768, 534912, 561180, 598592, 631680, 654710, 668640, 748240, 764160, 785652, 891520, 897888, 982065, 1047536, 1069824, 1122360, 1197184, 1263360, 1309420, 1337280, 1496480, 1571304, 1783040, 1795776, 1964130, 2095072, 2244720, 2394368, 2618840, 2674560, 2992960, 3142608, 3591552, 3928260, 4190144, 4489440, 5237680, 5349120, 5985920, 6285216, 7183104, 7856520, 8380288, 8978880, 10475360, 11971840, 12570432, 15713040, 16760576, 17957760, 20950720, 25140864, 31426080, 35915520, 41901440, 50281728, 62852160, 83802880, 125704320, 251408640]

約数ペア:

[(1, 251408640), (2, 125704320), (3, 83802880), (4, 62852160), (5, 50281728), (6, 41901440), (7, 35915520), (8, 31426080), (10, 25140864), (12, 20950720), (14, 17957760), (15, 16760576), (16, 15713040), (20, 12570432), (21, 11971840), (24, 10475360), (28, 8978880), (30, 8380288), (32, 7856520), (35, 7183104), (40, 6285216), (42, 5985920), (47, 5349120), (48, 5237680), (56, 4489440), (60, 4190144), (64, 3928260), (70, 3591552), (80, 3142608), (84, 2992960), (94, 2674560), (96, 2618840), (105, 2394368), (112, 2244720), (120, 2095072), (128, 1964130), (140, 1795776), (141, 1783040), (160, 1571304), (168, 1496480), (188, 1337280), (192, 1309420), (199, 1263360), (210, 1197184), (224, 1122360), (235, 1069824), (240, 1047536), (256, 982065), (280, 897888), (282, 891520), (320, 785652), (329, 764160), (336, 748240), (376, 668640), (384, 654710), (398, 631680), (420, 598592), (448, 561180), (470, 534912), (480, 523768), (560, 448944), (564, 445760), (597, 421120), (640, 392826), (658, 382080), (672, 374120), (705, 356608), (752, 334320), (768, 327355), (796, 315840), (840, 299296), (896, 280590), (940, 267456), (960, 261884), (987, 254720), (995, 252672), (1120, 224472), (1128, 222880), (1194, 210560), (1280, 196413), (1316, 191040), (1344, 187060), (1393, 180480), (1410, 178304), (1504, 167160), (1592, 157920), (1645, 152832), (1680, 149648), (1792, 140295), (1880, 133728), (1920, 130942), (1974, 127360), (1990, 126336), (2240, 112236), (2256, 111440), (2388, 105280), (2632, 95520), (2688, 93530), (2786, 90240), (2820, 89152), (2985, 84224), (3008, 83580), (3184, 78960), (3290, 76416), (3360, 74824), (3760, 66864), (3840, 65471), (3948, 63680), (3980, 63168), (4179, 60160), (4480, 56118), (4512, 55720), (4776, 52640), (4935, 50944), (5264, 47760), (5376, 46765), (5572, 45120), (5640, 44576), (5970, 42112), (6016, 41790), (6368, 39480), (6580, 38208), (6720, 37412), (6965, 36096), (7520, 33432), (7896, 31840), (7960, 31584), (8358, 30080), (8960, 28059), (9024, 27860), (9353, 26880), (9552, 26320), (9870, 25472), (10528, 23880), (11144, 22560), (11280, 22288), (11940, 21056), (12032, 20895), (12736, 19740), (13160, 19104), (13440, 18706), (13930, 18048), (15040, 16716), (15792, 15920)]