215348280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 256

約数和(自身を含む): 790732800

約数和(自身を除く): 575384520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 103, 105, 114, 120, 131, 133, 140, 152, 168, 190, 206, 210, 228, 262, 266, 280, 285, 309, 380, 393, 399, 412, 420, 456, 515, 524, 532, 570, 618, 655, 665, 721, 760, 786, 798, 824, 840, 917, 1030, 1048, 1064, 1140, 1236, 1310, 1330, 1442, 1545, 1572, 1596, 1834, 1957, 1965, 1995, 2060, 2163, 2280, 2472, 2489, 2620, 2660, 2751, 2884, 3090, 3144, 3192, 3605, 3668, 3914, 3930, 3990, 4120, 4326, 4585, 4978, 5240, 5320, 5502, 5768, 5871, 6180, 7210, 7336, 7467, 7828, 7860, 7980, 8652, 9170, 9785, 9956, 10815, 11004, 11742, 12360, 12445, 13493, 13699, 13755, 14420, 14934, 15656, 15720, 15960, 17304, 17423, 18340, 19570, 19912, 21630, 22008, 23484, 24890, 26986, 27398, 27510, 28840, 29355, 29868, 34846, 36680, 37335, 39140, 40479, 41097, 43260, 46968, 49780, 52269, 53972, 54796, 55020, 58710, 59736, 67465, 68495, 69692, 74670, 78280, 80958, 82194, 86520, 87115, 94451, 99560, 104538, 107944, 109592, 110040, 117420, 134930, 136990, 139384, 149340, 161916, 164388, 174230, 188902, 202395, 205485, 209076, 234840, 256367, 261345, 269860, 273980, 283353, 298680, 323832, 328776, 348460, 377804, 404790, 410970, 418152, 472255, 512734, 522690, 539720, 547960, 566706, 696920, 755608, 769101, 809580, 821940, 944510, 1025468, 1045380, 1133412, 1281835, 1416765, 1538202, 1619160, 1643880, 1794569, 1889020, 2050936, 2090760, 2266824, 2563670, 2833530, 3076404, 3589138, 3778040, 3845505, 5127340, 5383707, 5667060, 6152808, 7178276, 7691010, 8972845, 10254680, 10767414, 11334120, 14356552, 15382020, 17945690, 21534828, 26918535, 30764040, 35891380, 43069656, 53837070, 71782760, 107674140, 215348280]

約数ペア:

[(1, 215348280), (2, 107674140), (3, 71782760), (4, 53837070), (5, 43069656), (6, 35891380), (7, 30764040), (8, 26918535), (10, 21534828), (12, 17945690), (14, 15382020), (15, 14356552), (19, 11334120), (20, 10767414), (21, 10254680), (24, 8972845), (28, 7691010), (30, 7178276), (35, 6152808), (38, 5667060), (40, 5383707), (42, 5127340), (56, 3845505), (57, 3778040), (60, 3589138), (70, 3076404), (76, 2833530), (84, 2563670), (95, 2266824), (103, 2090760), (105, 2050936), (114, 1889020), (120, 1794569), (131, 1643880), (133, 1619160), (140, 1538202), (152, 1416765), (168, 1281835), (190, 1133412), (206, 1045380), (210, 1025468), (228, 944510), (262, 821940), (266, 809580), (280, 769101), (285, 755608), (309, 696920), (380, 566706), (393, 547960), (399, 539720), (412, 522690), (420, 512734), (456, 472255), (515, 418152), (524, 410970), (532, 404790), (570, 377804), (618, 348460), (655, 328776), (665, 323832), (721, 298680), (760, 283353), (786, 273980), (798, 269860), (824, 261345), (840, 256367), (917, 234840), (1030, 209076), (1048, 205485), (1064, 202395), (1140, 188902), (1236, 174230), (1310, 164388), (1330, 161916), (1442, 149340), (1545, 139384), (1572, 136990), (1596, 134930), (1834, 117420), (1957, 110040), (1965, 109592), (1995, 107944), (2060, 104538), (2163, 99560), (2280, 94451), (2472, 87115), (2489, 86520), (2620, 82194), (2660, 80958), (2751, 78280), (2884, 74670), (3090, 69692), (3144, 68495), (3192, 67465), (3605, 59736), (3668, 58710), (3914, 55020), (3930, 54796), (3990, 53972), (4120, 52269), (4326, 49780), (4585, 46968), (4978, 43260), (5240, 41097), (5320, 40479), (5502, 39140), (5768, 37335), (5871, 36680), (6180, 34846), (7210, 29868), (7336, 29355), (7467, 28840), (7828, 27510), (7860, 27398), (7980, 26986), (8652, 24890), (9170, 23484), (9785, 22008), (9956, 21630), (10815, 19912), (11004, 19570), (11742, 18340), (12360, 17423), (12445, 17304), (13493, 15960), (13699, 15720), (13755, 15656), (14420, 14934)]