19726560

素因数分解:

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

素因数の和:150

約数の個数: 288

約数和(自身を含む): 81768960

約数和(自身を除く): 62042400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 103, 105, 112, 114, 120, 126, 133, 140, 144, 152, 160, 168, 171, 180, 190, 206, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 309, 315, 336, 342, 360, 380, 399, 412, 420, 456, 480, 504, 515, 532, 560, 570, 608, 618, 630, 665, 672, 684, 720, 721, 760, 798, 824, 840, 855, 912, 927, 1008, 1030, 1064, 1120, 1140, 1197, 1236, 1260, 1330, 1368, 1440, 1442, 1520, 1545, 1596, 1648, 1680, 1710, 1824, 1854, 1957, 1995, 2016, 2060, 2128, 2163, 2280, 2394, 2472, 2520, 2660, 2736, 2884, 3040, 3090, 3192, 3296, 3360, 3420, 3605, 3708, 3914, 3990, 4120, 4256, 4326, 4560, 4635, 4788, 4944, 5040, 5320, 5472, 5768, 5871, 5985, 6180, 6384, 6489, 6840, 7210, 7416, 7828, 7980, 8240, 8652, 9120, 9270, 9576, 9785, 9888, 10080, 10640, 10815, 11536, 11742, 11970, 12360, 12768, 12978, 13680, 13699, 14420, 14832, 15656, 15960, 16480, 17304, 17613, 18540, 19152, 19570, 21280, 21630, 23072, 23484, 23940, 24720, 25956, 27360, 27398, 28840, 29355, 29664, 31312, 31920, 32445, 34608, 35226, 37080, 38304, 39140, 41097, 43260, 46968, 47880, 49440, 51912, 54796, 57680, 58710, 62624, 63840, 64890, 68495, 69216, 70452, 74160, 78280, 82194, 86520, 88065, 93936, 95760, 103824, 109592, 115360, 117420, 123291, 129780, 136990, 140904, 148320, 156560, 164388, 173040, 176130, 187872, 191520, 205485, 207648, 219184, 234840, 246582, 259560, 273980, 281808, 313120, 328776, 346080, 352260, 410970, 438368, 469680, 493164, 519120, 547960, 563616, 616455, 657552, 704520, 821940, 939360, 986328, 1038240, 1095920, 1232910, 1315104, 1409040, 1643880, 1972656, 2191840, 2465820, 2818080, 3287760, 3945312, 4931640, 6575520, 9863280, 19726560]

約数ペア:

[(1, 19726560), (2, 9863280), (3, 6575520), (4, 4931640), (5, 3945312), (6, 3287760), (7, 2818080), (8, 2465820), (9, 2191840), (10, 1972656), (12, 1643880), (14, 1409040), (15, 1315104), (16, 1232910), (18, 1095920), (19, 1038240), (20, 986328), (21, 939360), (24, 821940), (28, 704520), (30, 657552), (32, 616455), (35, 563616), (36, 547960), (38, 519120), (40, 493164), (42, 469680), (45, 438368), (48, 410970), (56, 352260), (57, 346080), (60, 328776), (63, 313120), (70, 281808), (72, 273980), (76, 259560), (80, 246582), (84, 234840), (90, 219184), (95, 207648), (96, 205485), (103, 191520), (105, 187872), (112, 176130), (114, 173040), (120, 164388), (126, 156560), (133, 148320), (140, 140904), (144, 136990), (152, 129780), (160, 123291), (168, 117420), (171, 115360), (180, 109592), (190, 103824), (206, 95760), (210, 93936), (224, 88065), (228, 86520), (240, 82194), (252, 78280), (266, 74160), (280, 70452), (285, 69216), (288, 68495), (304, 64890), (309, 63840), (315, 62624), (336, 58710), (342, 57680), (360, 54796), (380, 51912), (399, 49440), (412, 47880), (420, 46968), (456, 43260), (480, 41097), (504, 39140), (515, 38304), (532, 37080), (560, 35226), (570, 34608), (608, 32445), (618, 31920), (630, 31312), (665, 29664), (672, 29355), (684, 28840), (720, 27398), (721, 27360), (760, 25956), (798, 24720), (824, 23940), (840, 23484), (855, 23072), (912, 21630), (927, 21280), (1008, 19570), (1030, 19152), (1064, 18540), (1120, 17613), (1140, 17304), (1197, 16480), (1236, 15960), (1260, 15656), (1330, 14832), (1368, 14420), (1440, 13699), (1442, 13680), (1520, 12978), (1545, 12768), (1596, 12360), (1648, 11970), (1680, 11742), (1710, 11536), (1824, 10815), (1854, 10640), (1957, 10080), (1995, 9888), (2016, 9785), (2060, 9576), (2128, 9270), (2163, 9120), (2280, 8652), (2394, 8240), (2472, 7980), (2520, 7828), (2660, 7416), (2736, 7210), (2884, 6840), (3040, 6489), (3090, 6384), (3192, 6180), (3296, 5985), (3360, 5871), (3420, 5768), (3605, 5472), (3708, 5320), (3914, 5040), (3990, 4944), (4120, 4788), (4256, 4635), (4326, 4560)]