81690210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1021}}^1$

素因数の和:1168

約数の個数: 96

約数和(自身を含む): 244887552

約数和(自身を除く): 163197342

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 127, 210, 254, 315, 381, 630, 635, 762, 889, 1021, 1143, 1270, 1778, 1905, 2042, 2286, 2667, 3063, 3810, 4445, 5105, 5334, 5715, 6126, 7147, 8001, 8890, 9189, 10210, 11430, 13335, 14294, 15315, 16002, 18378, 21441, 26670, 30630, 35735, 40005, 42882, 45945, 64323, 71470, 80010, 91890, 107205, 128646, 129667, 214410, 259334, 321615, 389001, 643230, 648335, 778002, 907669, 1167003, 1296670, 1815338, 1945005, 2334006, 2723007, 3890010, 4538345, 5446014, 5835015, 8169021, 9076690, 11670030, 13615035, 16338042, 27230070, 40845105, 81690210]

約数ペア:

[(1, 81690210), (2, 40845105), (3, 27230070), (5, 16338042), (6, 13615035), (7, 11670030), (9, 9076690), (10, 8169021), (14, 5835015), (15, 5446014), (18, 4538345), (21, 3890010), (30, 2723007), (35, 2334006), (42, 1945005), (45, 1815338), (63, 1296670), (70, 1167003), (90, 907669), (105, 778002), (126, 648335), (127, 643230), (210, 389001), (254, 321615), (315, 259334), (381, 214410), (630, 129667), (635, 128646), (762, 107205), (889, 91890), (1021, 80010), (1143, 71470), (1270, 64323), (1778, 45945), (1905, 42882), (2042, 40005), (2286, 35735), (2667, 30630), (3063, 26670), (3810, 21441), (4445, 18378), (5105, 16002), (5334, 15315), (5715, 14294), (6126, 13335), (7147, 11430), (8001, 10210), (8890, 9189)]