20173817880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{87697}}^1$

素因数の和:87791

約数の個数: 160

約数和(自身を含む): 68762247840

約数和(自身を除く): 48588429960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 81, 90, 108, 120, 135, 142, 162, 180, 213, 216, 270, 284, 324, 355, 360, 405, 426, 540, 568, 639, 648, 710, 810, 852, 1065, 1080, 1278, 1420, 1620, 1704, 1917, 2130, 2556, 2840, 3195, 3240, 3834, 4260, 5112, 5751, 6390, 7668, 8520, 9585, 11502, 12780, 15336, 19170, 23004, 25560, 28755, 38340, 46008, 57510, 76680, 87697, 115020, 175394, 230040, 263091, 350788, 438485, 526182, 701576, 789273, 876970, 1052364, 1315455, 1578546, 1753940, 2104728, 2367819, 2630910, 3157092, 3507880, 3946365, 4735638, 5261820, 6226487, 6314184, 7103457, 7892730, 9471276, 10523640, 11839095, 12452974, 14206914, 15785460, 18679461, 18942552, 23678190, 24905948, 28413828, 31132435, 31570920, 35517285, 37358922, 47356380, 49811896, 56038383, 56827656, 62264870, 71034570, 74717844, 93397305, 94712760, 112076766, 124529740, 142069140, 149435688, 168115149, 186794610, 224153532, 249059480, 280191915, 284138280, 336230298, 373589220, 448307064, 504345447, 560383830, 672460596, 747178440, 840575745, 1008690894, 1120767660, 1344921192, 1681151490, 2017381788, 2241535320, 2521727235, 3362302980, 4034763576, 5043454470, 6724605960, 10086908940, 20173817880]

約数ペア:

[(1, 20173817880), (2, 10086908940), (3, 6724605960), (4, 5043454470), (5, 4034763576), (6, 3362302980), (8, 2521727235), (9, 2241535320), (10, 2017381788), (12, 1681151490), (15, 1344921192), (18, 1120767660), (20, 1008690894), (24, 840575745), (27, 747178440), (30, 672460596), (36, 560383830), (40, 504345447), (45, 448307064), (54, 373589220), (60, 336230298), (71, 284138280), (72, 280191915), (81, 249059480), (90, 224153532), (108, 186794610), (120, 168115149), (135, 149435688), (142, 142069140), (162, 124529740), (180, 112076766), (213, 94712760), (216, 93397305), (270, 74717844), (284, 71034570), (324, 62264870), (355, 56827656), (360, 56038383), (405, 49811896), (426, 47356380), (540, 37358922), (568, 35517285), (639, 31570920), (648, 31132435), (710, 28413828), (810, 24905948), (852, 23678190), (1065, 18942552), (1080, 18679461), (1278, 15785460), (1420, 14206914), (1620, 12452974), (1704, 11839095), (1917, 10523640), (2130, 9471276), (2556, 7892730), (2840, 7103457), (3195, 6314184), (3240, 6226487), (3834, 5261820), (4260, 4735638), (5112, 3946365), (5751, 3507880), (6390, 3157092), (7668, 2630910), (8520, 2367819), (9585, 2104728), (11502, 1753940), (12780, 1578546), (15336, 1315455), (19170, 1052364), (23004, 876970), (25560, 789273), (28755, 701576), (38340, 526182), (46008, 438485), (57510, 350788), (76680, 263091), (87697, 230040), (115020, 175394)]