77881440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1783}}^1$

素因数の和:1821

約数の個数: 192

約数和(自身を含む): 302109696

約数和(自身を除く): 224228256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1365, 1456, 1560, 1680, 1783, 1820, 2080, 2184, 2730, 2912, 3120, 3360, 3566, 3640, 4368, 5349, 5460, 6240, 7132, 7280, 8736, 8915, 10698, 10920, 12481, 14264, 14560, 17830, 21396, 21840, 23179, 24962, 26745, 28528, 35660, 37443, 42792, 43680, 46358, 49924, 53490, 57056, 62405, 69537, 71320, 74886, 85584, 92716, 99848, 106980, 115895, 124810, 139074, 142640, 149772, 162253, 171168, 185432, 187215, 199696, 213960, 231790, 249620, 278148, 285280, 299544, 324506, 347685, 370864, 374430, 399392, 427920, 463580, 486759, 499240, 556296, 599088, 649012, 695370, 741728, 748860, 811265, 855840, 927160, 973518, 998480, 1112592, 1198176, 1298024, 1390740, 1497720, 1622530, 1854320, 1947036, 1996960, 2225184, 2433795, 2596048, 2781480, 2995440, 3245060, 3708640, 3894072, 4867590, 5192096, 5562960, 5990880, 6490120, 7788144, 9735180, 11125920, 12980240, 15576288, 19470360, 25960480, 38940720, 77881440]

約数ペア:

[(1, 77881440), (2, 38940720), (3, 25960480), (4, 19470360), (5, 15576288), (6, 12980240), (7, 11125920), (8, 9735180), (10, 7788144), (12, 6490120), (13, 5990880), (14, 5562960), (15, 5192096), (16, 4867590), (20, 3894072), (21, 3708640), (24, 3245060), (26, 2995440), (28, 2781480), (30, 2596048), (32, 2433795), (35, 2225184), (39, 1996960), (40, 1947036), (42, 1854320), (48, 1622530), (52, 1497720), (56, 1390740), (60, 1298024), (65, 1198176), (70, 1112592), (78, 998480), (80, 973518), (84, 927160), (91, 855840), (96, 811265), (104, 748860), (105, 741728), (112, 695370), (120, 649012), (130, 599088), (140, 556296), (156, 499240), (160, 486759), (168, 463580), (182, 427920), (195, 399392), (208, 374430), (210, 370864), (224, 347685), (240, 324506), (260, 299544), (273, 285280), (280, 278148), (312, 249620), (336, 231790), (364, 213960), (390, 199696), (416, 187215), (420, 185432), (455, 171168), (480, 162253), (520, 149772), (546, 142640), (560, 139074), (624, 124810), (672, 115895), (728, 106980), (780, 99848), (840, 92716), (910, 85584), (1040, 74886), (1092, 71320), (1120, 69537), (1248, 62405), (1365, 57056), (1456, 53490), (1560, 49924), (1680, 46358), (1783, 43680), (1820, 42792), (2080, 37443), (2184, 35660), (2730, 28528), (2912, 26745), (3120, 24962), (3360, 23179), (3566, 21840), (3640, 21396), (4368, 17830), (5349, 14560), (5460, 14264), (6240, 12481), (7132, 10920), (7280, 10698), (8736, 8915)]