90408080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:361

約数の個数: 160

約数和(自身を含む): 262483200

約数和(自身を除く): 172075120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 80, 95, 112, 116, 133, 140, 145, 152, 190, 203, 232, 266, 280, 290, 293, 304, 380, 406, 464, 532, 551, 560, 580, 586, 665, 760, 812, 1015, 1064, 1102, 1160, 1172, 1330, 1465, 1520, 1624, 2030, 2051, 2128, 2204, 2320, 2344, 2660, 2755, 2930, 3248, 3857, 4060, 4102, 4408, 4688, 5320, 5510, 5567, 5860, 7714, 8120, 8204, 8497, 8816, 10255, 10640, 11020, 11134, 11720, 15428, 16240, 16408, 16994, 19285, 20510, 22040, 22268, 23440, 27835, 30856, 32816, 33988, 38570, 38969, 41020, 42485, 44080, 44536, 55670, 59479, 61712, 67976, 77140, 77938, 82040, 84970, 89072, 111340, 118958, 135952, 154280, 155876, 161443, 164080, 169940, 194845, 222680, 237916, 297395, 308560, 311752, 322886, 339880, 389690, 445360, 475832, 594790, 623504, 645772, 679760, 779380, 807215, 951664, 1130101, 1189580, 1291544, 1558760, 1614430, 2260202, 2379160, 2583088, 3117520, 3228860, 4520404, 4758320, 5650505, 6457720, 9040808, 11301010, 12915440, 18081616, 22602020, 45204040, 90408080]

約数ペア:

[(1, 90408080), (2, 45204040), (4, 22602020), (5, 18081616), (7, 12915440), (8, 11301010), (10, 9040808), (14, 6457720), (16, 5650505), (19, 4758320), (20, 4520404), (28, 3228860), (29, 3117520), (35, 2583088), (38, 2379160), (40, 2260202), (56, 1614430), (58, 1558760), (70, 1291544), (76, 1189580), (80, 1130101), (95, 951664), (112, 807215), (116, 779380), (133, 679760), (140, 645772), (145, 623504), (152, 594790), (190, 475832), (203, 445360), (232, 389690), (266, 339880), (280, 322886), (290, 311752), (293, 308560), (304, 297395), (380, 237916), (406, 222680), (464, 194845), (532, 169940), (551, 164080), (560, 161443), (580, 155876), (586, 154280), (665, 135952), (760, 118958), (812, 111340), (1015, 89072), (1064, 84970), (1102, 82040), (1160, 77938), (1172, 77140), (1330, 67976), (1465, 61712), (1520, 59479), (1624, 55670), (2030, 44536), (2051, 44080), (2128, 42485), (2204, 41020), (2320, 38969), (2344, 38570), (2660, 33988), (2755, 32816), (2930, 30856), (3248, 27835), (3857, 23440), (4060, 22268), (4102, 22040), (4408, 20510), (4688, 19285), (5320, 16994), (5510, 16408), (5567, 16240), (5860, 15428), (7714, 11720), (8120, 11134), (8204, 11020), (8497, 10640), (8816, 10255)]