90870920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:116

約数の個数: 192

約数和(自身を含む): 263347200

約数和(自身を除く): 172476280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 29, 31, 35, 38, 40, 56, 58, 62, 70, 76, 95, 116, 124, 133, 140, 145, 152, 155, 190, 203, 217, 232, 248, 266, 280, 290, 310, 361, 380, 406, 434, 532, 551, 580, 589, 620, 665, 722, 760, 812, 868, 899, 1015, 1064, 1085, 1102, 1160, 1178, 1240, 1330, 1444, 1624, 1736, 1798, 1805, 2030, 2170, 2204, 2356, 2527, 2660, 2755, 2888, 2945, 3596, 3610, 3857, 4060, 4123, 4340, 4408, 4495, 4712, 5054, 5320, 5510, 5890, 6293, 7192, 7220, 7714, 8120, 8246, 8680, 8990, 10108, 10469, 11020, 11191, 11780, 12586, 12635, 14440, 15428, 16492, 17081, 17980, 19285, 20216, 20615, 20938, 22040, 22382, 23560, 25172, 25270, 30856, 31465, 32984, 34162, 35960, 38570, 41230, 41876, 44764, 50344, 50540, 52345, 55955, 62930, 68324, 73283, 77140, 78337, 82460, 83752, 85405, 89528, 101080, 104690, 111910, 119567, 125860, 136648, 146566, 154280, 156674, 164920, 170810, 209380, 223820, 239134, 251720, 293132, 313348, 324539, 341620, 366415, 391685, 418760, 447640, 478268, 586264, 597835, 626696, 649078, 683240, 732830, 783370, 956536, 1195670, 1298156, 1465660, 1566740, 1622695, 2271773, 2391340, 2596312, 2931320, 3133480, 3245390, 4543546, 4782680, 6490780, 9087092, 11358865, 12981560, 18174184, 22717730, 45435460, 90870920]

約数ペア:

[(1, 90870920), (2, 45435460), (4, 22717730), (5, 18174184), (7, 12981560), (8, 11358865), (10, 9087092), (14, 6490780), (19, 4782680), (20, 4543546), (28, 3245390), (29, 3133480), (31, 2931320), (35, 2596312), (38, 2391340), (40, 2271773), (56, 1622695), (58, 1566740), (62, 1465660), (70, 1298156), (76, 1195670), (95, 956536), (116, 783370), (124, 732830), (133, 683240), (140, 649078), (145, 626696), (152, 597835), (155, 586264), (190, 478268), (203, 447640), (217, 418760), (232, 391685), (248, 366415), (266, 341620), (280, 324539), (290, 313348), (310, 293132), (361, 251720), (380, 239134), (406, 223820), (434, 209380), (532, 170810), (551, 164920), (580, 156674), (589, 154280), (620, 146566), (665, 136648), (722, 125860), (760, 119567), (812, 111910), (868, 104690), (899, 101080), (1015, 89528), (1064, 85405), (1085, 83752), (1102, 82460), (1160, 78337), (1178, 77140), (1240, 73283), (1330, 68324), (1444, 62930), (1624, 55955), (1736, 52345), (1798, 50540), (1805, 50344), (2030, 44764), (2170, 41876), (2204, 41230), (2356, 38570), (2527, 35960), (2660, 34162), (2755, 32984), (2888, 31465), (2945, 30856), (3596, 25270), (3610, 25172), (3857, 23560), (4060, 22382), (4123, 22040), (4340, 20938), (4408, 20615), (4495, 20216), (4712, 19285), (5054, 17980), (5320, 17081), (5510, 16492), (5890, 15428), (6293, 14440), (7192, 12635), (7220, 12586), (7714, 11780), (8120, 11191), (8246, 11020), (8680, 10469), (8990, 10108)]