173165720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:565

約数の個数: 128

約数和(自身を含む): 484928640

約数和(自身を除く): 311762920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 113, 130, 140, 182, 226, 260, 280, 364, 421, 452, 455, 520, 565, 728, 791, 842, 904, 910, 1130, 1469, 1582, 1684, 1820, 2105, 2260, 2938, 2947, 3164, 3368, 3640, 3955, 4210, 4520, 5473, 5876, 5894, 6328, 7345, 7910, 8420, 10283, 10946, 11752, 11788, 14690, 14735, 15820, 16840, 20566, 21892, 23576, 27365, 29380, 29470, 31640, 38311, 41132, 43784, 47573, 51415, 54730, 58760, 58940, 76622, 82264, 95146, 102830, 109460, 117880, 153244, 190292, 191555, 205660, 218920, 237865, 306488, 333011, 380584, 383110, 411320, 475730, 618449, 666022, 766220, 951460, 1236898, 1332044, 1532440, 1665055, 1902920, 2473796, 2664088, 3092245, 3330110, 4329143, 4947592, 6184490, 6660220, 8658286, 12368980, 13320440, 17316572, 21645715, 24737960, 34633144, 43291430, 86582860, 173165720]

約数ペア:

[(1, 173165720), (2, 86582860), (4, 43291430), (5, 34633144), (7, 24737960), (8, 21645715), (10, 17316572), (13, 13320440), (14, 12368980), (20, 8658286), (26, 6660220), (28, 6184490), (35, 4947592), (40, 4329143), (52, 3330110), (56, 3092245), (65, 2664088), (70, 2473796), (91, 1902920), (104, 1665055), (113, 1532440), (130, 1332044), (140, 1236898), (182, 951460), (226, 766220), (260, 666022), (280, 618449), (364, 475730), (421, 411320), (452, 383110), (455, 380584), (520, 333011), (565, 306488), (728, 237865), (791, 218920), (842, 205660), (904, 191555), (910, 190292), (1130, 153244), (1469, 117880), (1582, 109460), (1684, 102830), (1820, 95146), (2105, 82264), (2260, 76622), (2938, 58940), (2947, 58760), (3164, 54730), (3368, 51415), (3640, 47573), (3955, 43784), (4210, 41132), (4520, 38311), (5473, 31640), (5876, 29470), (5894, 29380), (6328, 27365), (7345, 23576), (7910, 21892), (8420, 20566), (10283, 16840), (10946, 15820), (11752, 14735), (11788, 14690)]