31282720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 192

約数和(自身を含む): 94058496

約数和(自身を除く): 62775776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 53, 56, 62, 68, 70, 80, 85, 106, 112, 119, 124, 136, 140, 155, 160, 170, 212, 217, 224, 238, 248, 265, 272, 280, 310, 340, 371, 424, 434, 476, 496, 527, 530, 544, 560, 595, 620, 680, 742, 848, 868, 901, 952, 992, 1054, 1060, 1085, 1120, 1190, 1240, 1360, 1484, 1643, 1696, 1736, 1802, 1855, 1904, 2108, 2120, 2170, 2380, 2480, 2635, 2720, 2968, 3286, 3472, 3604, 3689, 3710, 3808, 4216, 4240, 4340, 4505, 4760, 4960, 5270, 5936, 6307, 6572, 6944, 7208, 7378, 7420, 8215, 8432, 8480, 8680, 9010, 9520, 10540, 11501, 11872, 12614, 13144, 14416, 14756, 14840, 16430, 16864, 17360, 18020, 18445, 19040, 21080, 23002, 25228, 26288, 27931, 28832, 29512, 29680, 31535, 32860, 34720, 36040, 36890, 42160, 46004, 50456, 52576, 55862, 57505, 59024, 59360, 63070, 65720, 72080, 73780, 84320, 92008, 100912, 111724, 115010, 118048, 126140, 131440, 139655, 144160, 147560, 184016, 195517, 201824, 223448, 230020, 252280, 262880, 279310, 295120, 368032, 391034, 446896, 460040, 504560, 558620, 590240, 782068, 893792, 920080, 977585, 1009120, 1117240, 1564136, 1840160, 1955170, 2234480, 3128272, 3910340, 4468960, 6256544, 7820680, 15641360, 31282720]

約数ペア:

[(1, 31282720), (2, 15641360), (4, 7820680), (5, 6256544), (7, 4468960), (8, 3910340), (10, 3128272), (14, 2234480), (16, 1955170), (17, 1840160), (20, 1564136), (28, 1117240), (31, 1009120), (32, 977585), (34, 920080), (35, 893792), (40, 782068), (53, 590240), (56, 558620), (62, 504560), (68, 460040), (70, 446896), (80, 391034), (85, 368032), (106, 295120), (112, 279310), (119, 262880), (124, 252280), (136, 230020), (140, 223448), (155, 201824), (160, 195517), (170, 184016), (212, 147560), (217, 144160), (224, 139655), (238, 131440), (248, 126140), (265, 118048), (272, 115010), (280, 111724), (310, 100912), (340, 92008), (371, 84320), (424, 73780), (434, 72080), (476, 65720), (496, 63070), (527, 59360), (530, 59024), (544, 57505), (560, 55862), (595, 52576), (620, 50456), (680, 46004), (742, 42160), (848, 36890), (868, 36040), (901, 34720), (952, 32860), (992, 31535), (1054, 29680), (1060, 29512), (1085, 28832), (1120, 27931), (1190, 26288), (1240, 25228), (1360, 23002), (1484, 21080), (1643, 19040), (1696, 18445), (1736, 18020), (1802, 17360), (1855, 16864), (1904, 16430), (2108, 14840), (2120, 14756), (2170, 14416), (2380, 13144), (2480, 12614), (2635, 11872), (2720, 11501), (2968, 10540), (3286, 9520), (3472, 9010), (3604, 8680), (3689, 8480), (3710, 8432), (3808, 8215), (4216, 7420), (4240, 7378), (4340, 7208), (4505, 6944), (4760, 6572), (4960, 6307), (5270, 5936)]