7820680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 22394880

約数和(自身を除く): 14574200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 53, 56, 62, 68, 70, 85, 106, 119, 124, 136, 140, 155, 170, 212, 217, 238, 248, 265, 280, 310, 340, 371, 424, 434, 476, 527, 530, 595, 620, 680, 742, 868, 901, 952, 1054, 1060, 1085, 1190, 1240, 1484, 1643, 1736, 1802, 1855, 2108, 2120, 2170, 2380, 2635, 2968, 3286, 3604, 3689, 3710, 4216, 4340, 4505, 4760, 5270, 6307, 6572, 7208, 7378, 7420, 8215, 8680, 9010, 10540, 11501, 12614, 13144, 14756, 14840, 16430, 18020, 18445, 21080, 23002, 25228, 27931, 29512, 31535, 32860, 36040, 36890, 46004, 50456, 55862, 57505, 63070, 65720, 73780, 92008, 111724, 115010, 126140, 139655, 147560, 195517, 223448, 230020, 252280, 279310, 391034, 460040, 558620, 782068, 977585, 1117240, 1564136, 1955170, 3910340, 7820680]

約数ペア:

[(1, 7820680), (2, 3910340), (4, 1955170), (5, 1564136), (7, 1117240), (8, 977585), (10, 782068), (14, 558620), (17, 460040), (20, 391034), (28, 279310), (31, 252280), (34, 230020), (35, 223448), (40, 195517), (53, 147560), (56, 139655), (62, 126140), (68, 115010), (70, 111724), (85, 92008), (106, 73780), (119, 65720), (124, 63070), (136, 57505), (140, 55862), (155, 50456), (170, 46004), (212, 36890), (217, 36040), (238, 32860), (248, 31535), (265, 29512), (280, 27931), (310, 25228), (340, 23002), (371, 21080), (424, 18445), (434, 18020), (476, 16430), (527, 14840), (530, 14756), (595, 13144), (620, 12614), (680, 11501), (742, 10540), (868, 9010), (901, 8680), (952, 8215), (1054, 7420), (1060, 7378), (1085, 7208), (1190, 6572), (1240, 6307), (1484, 5270), (1643, 4760), (1736, 4505), (1802, 4340), (1855, 4216), (2108, 3710), (2120, 3689), (2170, 3604), (2380, 3286), (2635, 2968)]