281617560

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{4139}}^1$

素因数の和:4172

約数の個数: 192

約数和(自身を含む): 1085011200

約数和(自身を除く): 803393640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 756, 810, 840, 945, 972, 1080, 1134, 1215, 1260, 1512, 1620, 1701, 1890, 1944, 2268, 2430, 2520, 2835, 3240, 3402, 3780, 4139, 4536, 4860, 5670, 6804, 7560, 8278, 8505, 9720, 11340, 12417, 13608, 16556, 17010, 20695, 22680, 24834, 28973, 33112, 34020, 37251, 41390, 49668, 57946, 62085, 68040, 74502, 82780, 86919, 99336, 111753, 115892, 124170, 144865, 149004, 165560, 173838, 186255, 223506, 231784, 248340, 260757, 289730, 298008, 335259, 347676, 372510, 434595, 447012, 496680, 521514, 558765, 579460, 670518, 695352, 745020, 782271, 869190, 894024, 1005777, 1043028, 1117530, 1158920, 1303785, 1341036, 1490040, 1564542, 1676295, 1738380, 2011554, 2086056, 2235060, 2346813, 2607570, 2682072, 3129084, 3352590, 3476760, 3911355, 4023108, 4470120, 4693626, 5028885, 5215140, 6258168, 6705180, 7040439, 7822710, 8046216, 9387252, 10057770, 10430280, 11734065, 13410360, 14080878, 15645420, 18774504, 20115540, 23468130, 28161756, 31290840, 35202195, 40231080, 46936260, 56323512, 70404390, 93872520, 140808780, 281617560]

約数ペア:

[(1, 281617560), (2, 140808780), (3, 93872520), (4, 70404390), (5, 56323512), (6, 46936260), (7, 40231080), (8, 35202195), (9, 31290840), (10, 28161756), (12, 23468130), (14, 20115540), (15, 18774504), (18, 15645420), (20, 14080878), (21, 13410360), (24, 11734065), (27, 10430280), (28, 10057770), (30, 9387252), (35, 8046216), (36, 7822710), (40, 7040439), (42, 6705180), (45, 6258168), (54, 5215140), (56, 5028885), (60, 4693626), (63, 4470120), (70, 4023108), (72, 3911355), (81, 3476760), (84, 3352590), (90, 3129084), (105, 2682072), (108, 2607570), (120, 2346813), (126, 2235060), (135, 2086056), (140, 2011554), (162, 1738380), (168, 1676295), (180, 1564542), (189, 1490040), (210, 1341036), (216, 1303785), (243, 1158920), (252, 1117530), (270, 1043028), (280, 1005777), (315, 894024), (324, 869190), (360, 782271), (378, 745020), (405, 695352), (420, 670518), (486, 579460), (504, 558765), (540, 521514), (567, 496680), (630, 447012), (648, 434595), (756, 372510), (810, 347676), (840, 335259), (945, 298008), (972, 289730), (1080, 260757), (1134, 248340), (1215, 231784), (1260, 223506), (1512, 186255), (1620, 173838), (1701, 165560), (1890, 149004), (1944, 144865), (2268, 124170), (2430, 115892), (2520, 111753), (2835, 99336), (3240, 86919), (3402, 82780), (3780, 74502), (4139, 68040), (4536, 62085), (4860, 57946), (5670, 49668), (6804, 41390), (7560, 37251), (8278, 34020), (8505, 33112), (9720, 28973), (11340, 24834), (12417, 22680), (13608, 20695), (16556, 17010)]