16438140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 52649520

約数和(自身を除く): 36211380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 81, 90, 108, 135, 139, 146, 162, 180, 219, 270, 278, 292, 324, 365, 405, 417, 438, 540, 556, 657, 695, 730, 810, 834, 876, 1095, 1251, 1314, 1390, 1460, 1620, 1668, 1971, 2085, 2190, 2502, 2628, 2780, 3285, 3753, 3942, 4170, 4380, 5004, 5913, 6255, 6570, 7506, 7884, 8340, 9855, 10147, 11259, 11826, 12510, 13140, 15012, 18765, 19710, 20294, 22518, 23652, 25020, 29565, 30441, 37530, 39420, 40588, 45036, 50735, 56295, 59130, 60882, 75060, 91323, 101470, 112590, 118260, 121764, 152205, 182646, 202940, 225180, 273969, 304410, 365292, 456615, 547938, 608820, 821907, 913230, 1095876, 1369845, 1643814, 1826460, 2739690, 3287628, 4109535, 5479380, 8219070, 16438140]

約数ペア:

[(1, 16438140), (2, 8219070), (3, 5479380), (4, 4109535), (5, 3287628), (6, 2739690), (9, 1826460), (10, 1643814), (12, 1369845), (15, 1095876), (18, 913230), (20, 821907), (27, 608820), (30, 547938), (36, 456615), (45, 365292), (54, 304410), (60, 273969), (73, 225180), (81, 202940), (90, 182646), (108, 152205), (135, 121764), (139, 118260), (146, 112590), (162, 101470), (180, 91323), (219, 75060), (270, 60882), (278, 59130), (292, 56295), (324, 50735), (365, 45036), (405, 40588), (417, 39420), (438, 37530), (540, 30441), (556, 29565), (657, 25020), (695, 23652), (730, 22518), (810, 20294), (834, 19710), (876, 18765), (1095, 15012), (1251, 13140), (1314, 12510), (1390, 11826), (1460, 11259), (1620, 10147), (1668, 9855), (1971, 8340), (2085, 7884), (2190, 7506), (2502, 6570), (2628, 6255), (2780, 5913), (3285, 5004), (3753, 4380), (3942, 4170)]