72521176

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 181440000

約数和(自身を除く): 108918824

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 49, 52, 56, 76, 91, 98, 104, 107, 133, 152, 182, 196, 214, 247, 266, 343, 364, 392, 428, 494, 532, 637, 686, 728, 749, 856, 931, 988, 1064, 1274, 1372, 1391, 1498, 1729, 1862, 1976, 2033, 2548, 2744, 2782, 2996, 3458, 3724, 4066, 4459, 5096, 5243, 5564, 5992, 6517, 6916, 7448, 8132, 8918, 9737, 10486, 11128, 12103, 13034, 13832, 14231, 16264, 17836, 19474, 20972, 24206, 26068, 26429, 28462, 35672, 36701, 38948, 41944, 48412, 52136, 52858, 56924, 68159, 73402, 77896, 84721, 96824, 99617, 105716, 113848, 136318, 146804, 169442, 185003, 199234, 211432, 272636, 293608, 338884, 370006, 398468, 477113, 545272, 677768, 697319, 740012, 796936, 954226, 1295021, 1394638, 1480024, 1908452, 2590042, 2789276, 3816904, 5180084, 5578552, 9065147, 10360168, 18130294, 36260588, 72521176]

約数ペア:

[(1, 72521176), (2, 36260588), (4, 18130294), (7, 10360168), (8, 9065147), (13, 5578552), (14, 5180084), (19, 3816904), (26, 2789276), (28, 2590042), (38, 1908452), (49, 1480024), (52, 1394638), (56, 1295021), (76, 954226), (91, 796936), (98, 740012), (104, 697319), (107, 677768), (133, 545272), (152, 477113), (182, 398468), (196, 370006), (214, 338884), (247, 293608), (266, 272636), (343, 211432), (364, 199234), (392, 185003), (428, 169442), (494, 146804), (532, 136318), (637, 113848), (686, 105716), (728, 99617), (749, 96824), (856, 84721), (931, 77896), (988, 73402), (1064, 68159), (1274, 56924), (1372, 52858), (1391, 52136), (1498, 48412), (1729, 41944), (1862, 38948), (1976, 36701), (2033, 35672), (2548, 28462), (2744, 26429), (2782, 26068), (2996, 24206), (3458, 20972), (3724, 19474), (4066, 17836), (4459, 16264), (5096, 14231), (5243, 13832), (5564, 13034), (5992, 12103), (6517, 11128), (6916, 10486), (7448, 9737), (8132, 8918)]