28737180

素因数分解:

$2^2\times 3^9\times 5^1\times {\mathrm{73}}^1$

素因数の和:109

約数の個数: 120

約数和(自身を含む): 91760592

約数和(自身を除く): 63023412

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, 146, 162, 180, 219, 243, 270, 292, 324, 365, 405, 438, 486, 540, 657, 729, 730, 810, 876, 972, 1095, 1215, 1314, 1458, 1460, 1620, 1971, 2187, 2190, 2430, 2628, 2916, 3285, 3645, 3942, 4374, 4380, 4860, 5913, 6561, 6570, 7290, 7884, 8748, 9855, 10935, 11826, 13122, 13140, 14580, 17739, 19683, 19710, 21870, 23652, 26244, 29565, 32805, 35478, 39366, 39420, 43740, 53217, 59130, 65610, 70956, 78732, 88695, 98415, 106434, 118260, 131220, 159651, 177390, 196830, 212868, 266085, 319302, 354780, 393660, 478953, 532170, 638604, 798255, 957906, 1064340, 1436859, 1596510, 1915812, 2394765, 2873718, 3193020, 4789530, 5747436, 7184295, 9579060, 14368590, 28737180]

約数ペア:

[(1, 28737180), (2, 14368590), (3, 9579060), (4, 7184295), (5, 5747436), (6, 4789530), (9, 3193020), (10, 2873718), (12, 2394765), (15, 1915812), (18, 1596510), (20, 1436859), (27, 1064340), (30, 957906), (36, 798255), (45, 638604), (54, 532170), (60, 478953), (73, 393660), (81, 354780), (90, 319302), (108, 266085), (135, 212868), (146, 196830), (162, 177390), (180, 159651), (219, 131220), (243, 118260), (270, 106434), (292, 98415), (324, 88695), (365, 78732), (405, 70956), (438, 65610), (486, 59130), (540, 53217), (657, 43740), (729, 39420), (730, 39366), (810, 35478), (876, 32805), (972, 29565), (1095, 26244), (1215, 23652), (1314, 21870), (1458, 19710), (1460, 19683), (1620, 17739), (1971, 14580), (2187, 13140), (2190, 13122), (2430, 11826), (2628, 10935), (2916, 9855), (3285, 8748), (3645, 7884), (3942, 7290), (4374, 6570), (4380, 6561), (4860, 5913)]