129758440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 348364800

約数和(自身を除く): 218606360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 89, 127, 140, 164, 178, 205, 254, 280, 287, 328, 356, 410, 445, 508, 574, 623, 635, 712, 820, 889, 890, 1016, 1148, 1246, 1270, 1435, 1640, 1778, 1780, 2296, 2492, 2540, 2870, 3115, 3556, 3560, 3649, 4445, 4984, 5080, 5207, 5740, 6230, 7112, 7298, 8890, 10414, 11303, 11480, 12460, 14596, 17780, 18245, 20828, 22606, 24920, 25543, 26035, 29192, 35560, 36449, 36490, 41656, 45212, 51086, 52070, 56515, 72898, 72980, 79121, 90424, 102172, 104140, 113030, 127715, 145796, 145960, 158242, 182245, 204344, 208280, 226060, 255430, 291592, 316484, 364490, 395605, 452120, 463423, 510860, 632968, 728980, 791210, 926846, 1021720, 1457960, 1582420, 1853692, 2317115, 3164840, 3243961, 3707384, 4634230, 6487922, 9268460, 12975844, 16219805, 18536920, 25951688, 32439610, 64879220, 129758440]

約数ペア:

[(1, 129758440), (2, 64879220), (4, 32439610), (5, 25951688), (7, 18536920), (8, 16219805), (10, 12975844), (14, 9268460), (20, 6487922), (28, 4634230), (35, 3707384), (40, 3243961), (41, 3164840), (56, 2317115), (70, 1853692), (82, 1582420), (89, 1457960), (127, 1021720), (140, 926846), (164, 791210), (178, 728980), (205, 632968), (254, 510860), (280, 463423), (287, 452120), (328, 395605), (356, 364490), (410, 316484), (445, 291592), (508, 255430), (574, 226060), (623, 208280), (635, 204344), (712, 182245), (820, 158242), (889, 145960), (890, 145796), (1016, 127715), (1148, 113030), (1246, 104140), (1270, 102172), (1435, 90424), (1640, 79121), (1778, 72980), (1780, 72898), (2296, 56515), (2492, 52070), (2540, 51086), (2870, 45212), (3115, 41656), (3556, 36490), (3560, 36449), (3649, 35560), (4445, 29192), (4984, 26035), (5080, 25543), (5207, 24920), (5740, 22606), (6230, 20828), (7112, 18245), (7298, 17780), (8890, 14596), (10414, 12460), (11303, 11480)]