219982560

素因数分解:

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

素因数の和:278

約数の個数: 288

約数和(自身を含む): 827366400

約数和(自身を除く): 607383840

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, 49, 56, 60, 70, 80, 84, 94, 96, 98, 105, 112, 120, 140, 141, 147, 160, 168, 188, 196, 199, 210, 224, 235, 240, 245, 280, 282, 294, 329, 336, 376, 392, 398, 420, 470, 480, 490, 560, 564, 588, 597, 658, 672, 705, 735, 752, 784, 796, 840, 940, 980, 987, 995, 1120, 1128, 1176, 1194, 1316, 1393, 1410, 1470, 1504, 1568, 1592, 1645, 1680, 1880, 1960, 1974, 1990, 2256, 2303, 2352, 2388, 2632, 2786, 2820, 2940, 2985, 3184, 3290, 3360, 3760, 3920, 3948, 3980, 4179, 4512, 4606, 4704, 4776, 4935, 5264, 5572, 5640, 5880, 5970, 6368, 6580, 6909, 6965, 7520, 7840, 7896, 7960, 8358, 9212, 9353, 9552, 9751, 9870, 10528, 11144, 11280, 11515, 11760, 11940, 13160, 13818, 13930, 15792, 15920, 16716, 18424, 18706, 19104, 19502, 19740, 20895, 22288, 22560, 23030, 23520, 23880, 26320, 27636, 27860, 28059, 29253, 31584, 31840, 33432, 34545, 36848, 37412, 39004, 39480, 41790, 44576, 46060, 46765, 47760, 48755, 52640, 55272, 55720, 56118, 58506, 65471, 66864, 69090, 73696, 74824, 78008, 78960, 83580, 92120, 93530, 95520, 97510, 110544, 111440, 112236, 117012, 130942, 133728, 138180, 140295, 146265, 149648, 156016, 157920, 167160, 184240, 187060, 195020, 196413, 221088, 222880, 224472, 234024, 261884, 276360, 280590, 292530, 299296, 312032, 327355, 334320, 368480, 374120, 390040, 392826, 448944, 458297, 468048, 523768, 552720, 561180, 585060, 654710, 668640, 748240, 780080, 785652, 897888, 916594, 936096, 982065, 1047536, 1105440, 1122360, 1170120, 1309420, 1374891, 1496480, 1560160, 1571304, 1833188, 1964130, 2095072, 2244720, 2291485, 2340240, 2618840, 2749782, 3142608, 3666376, 3928260, 4489440, 4582970, 4680480, 5237680, 5499564, 6285216, 6874455, 7332752, 7856520, 9165940, 10475360, 10999128, 13748910, 14665504, 15713040, 18331880, 21998256, 27497820, 31426080, 36663760, 43996512, 54995640, 73327520, 109991280, 219982560]

約数ペア:

[(1, 219982560), (2, 109991280), (3, 73327520), (4, 54995640), (5, 43996512), (6, 36663760), (7, 31426080), (8, 27497820), (10, 21998256), (12, 18331880), (14, 15713040), (15, 14665504), (16, 13748910), (20, 10999128), (21, 10475360), (24, 9165940), (28, 7856520), (30, 7332752), (32, 6874455), (35, 6285216), (40, 5499564), (42, 5237680), (47, 4680480), (48, 4582970), (49, 4489440), (56, 3928260), (60, 3666376), (70, 3142608), (80, 2749782), (84, 2618840), (94, 2340240), (96, 2291485), (98, 2244720), (105, 2095072), (112, 1964130), (120, 1833188), (140, 1571304), (141, 1560160), (147, 1496480), (160, 1374891), (168, 1309420), (188, 1170120), (196, 1122360), (199, 1105440), (210, 1047536), (224, 982065), (235, 936096), (240, 916594), (245, 897888), (280, 785652), (282, 780080), (294, 748240), (329, 668640), (336, 654710), (376, 585060), (392, 561180), (398, 552720), (420, 523768), (470, 468048), (480, 458297), (490, 448944), (560, 392826), (564, 390040), (588, 374120), (597, 368480), (658, 334320), (672, 327355), (705, 312032), (735, 299296), (752, 292530), (784, 280590), (796, 276360), (840, 261884), (940, 234024), (980, 224472), (987, 222880), (995, 221088), (1120, 196413), (1128, 195020), (1176, 187060), (1194, 184240), (1316, 167160), (1393, 157920), (1410, 156016), (1470, 149648), (1504, 146265), (1568, 140295), (1592, 138180), (1645, 133728), (1680, 130942), (1880, 117012), (1960, 112236), (1974, 111440), (1990, 110544), (2256, 97510), (2303, 95520), (2352, 93530), (2388, 92120), (2632, 83580), (2786, 78960), (2820, 78008), (2940, 74824), (2985, 73696), (3184, 69090), (3290, 66864), (3360, 65471), (3760, 58506), (3920, 56118), (3948, 55720), (3980, 55272), (4179, 52640), (4512, 48755), (4606, 47760), (4704, 46765), (4776, 46060), (4935, 44576), (5264, 41790), (5572, 39480), (5640, 39004), (5880, 37412), (5970, 36848), (6368, 34545), (6580, 33432), (6909, 31840), (6965, 31584), (7520, 29253), (7840, 28059), (7896, 27860), (7960, 27636), (8358, 26320), (9212, 23880), (9353, 23520), (9552, 23030), (9751, 22560), (9870, 22288), (10528, 20895), (11144, 19740), (11280, 19502), (11515, 19104), (11760, 18706), (11940, 18424), (13160, 16716), (13818, 15920), (13930, 15792)]