1680210

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{127}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 5253120

約数和(自身を除く): 3572910

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 127, 135, 147, 189, 210, 245, 254, 270, 294, 315, 378, 381, 441, 490, 630, 635, 735, 762, 882, 889, 945, 1143, 1270, 1323, 1470, 1778, 1890, 1905, 2205, 2286, 2646, 2667, 3429, 3810, 4410, 4445, 5334, 5715, 6223, 6615, 6858, 8001, 8890, 11430, 12446, 13230, 13335, 16002, 17145, 18669, 24003, 26670, 31115, 34290, 37338, 40005, 48006, 56007, 62230, 80010, 93345, 112014, 120015, 168021, 186690, 240030, 280035, 336042, 560070, 840105, 1680210]

約数ペア:

[(1, 1680210), (2, 840105), (3, 560070), (5, 336042), (6, 280035), (7, 240030), (9, 186690), (10, 168021), (14, 120015), (15, 112014), (18, 93345), (21, 80010), (27, 62230), (30, 56007), (35, 48006), (42, 40005), (45, 37338), (49, 34290), (54, 31115), (63, 26670), (70, 24003), (90, 18669), (98, 17145), (105, 16002), (126, 13335), (127, 13230), (135, 12446), (147, 11430), (189, 8890), (210, 8001), (245, 6858), (254, 6615), (270, 6223), (294, 5715), (315, 5334), (378, 4445), (381, 4410), (441, 3810), (490, 3429), (630, 2667), (635, 2646), (735, 2286), (762, 2205), (882, 1905), (889, 1890), (945, 1778), (1143, 1470), (1270, 1323)]