163421820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{47}}^2\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 523262880

約数和(自身を除く): 359841060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 90, 94, 108, 135, 137, 141, 180, 188, 235, 270, 274, 282, 411, 423, 470, 540, 548, 564, 685, 705, 822, 846, 940, 1233, 1269, 1370, 1410, 1644, 1692, 2055, 2115, 2209, 2466, 2538, 2740, 2820, 3699, 4110, 4230, 4418, 4932, 5076, 6165, 6345, 6439, 6627, 7398, 8220, 8460, 8836, 11045, 12330, 12690, 12878, 13254, 14796, 18495, 19317, 19881, 22090, 24660, 25380, 25756, 26508, 32195, 33135, 36990, 38634, 39762, 44180, 57951, 59643, 64390, 66270, 73980, 77268, 79524, 96585, 99405, 115902, 119286, 128780, 132540, 173853, 193170, 198810, 231804, 238572, 289755, 298215, 302633, 347706, 386340, 397620, 579510, 596430, 605266, 695412, 869265, 907899, 1159020, 1192860, 1210532, 1513165, 1738530, 1815798, 2723697, 3026330, 3477060, 3631596, 4539495, 5447394, 6052660, 8171091, 9078990, 10894788, 13618485, 16342182, 18157980, 27236970, 32684364, 40855455, 54473940, 81710910, 163421820]

約数ペア:

[(1, 163421820), (2, 81710910), (3, 54473940), (4, 40855455), (5, 32684364), (6, 27236970), (9, 18157980), (10, 16342182), (12, 13618485), (15, 10894788), (18, 9078990), (20, 8171091), (27, 6052660), (30, 5447394), (36, 4539495), (45, 3631596), (47, 3477060), (54, 3026330), (60, 2723697), (90, 1815798), (94, 1738530), (108, 1513165), (135, 1210532), (137, 1192860), (141, 1159020), (180, 907899), (188, 869265), (235, 695412), (270, 605266), (274, 596430), (282, 579510), (411, 397620), (423, 386340), (470, 347706), (540, 302633), (548, 298215), (564, 289755), (685, 238572), (705, 231804), (822, 198810), (846, 193170), (940, 173853), (1233, 132540), (1269, 128780), (1370, 119286), (1410, 115902), (1644, 99405), (1692, 96585), (2055, 79524), (2115, 77268), (2209, 73980), (2466, 66270), (2538, 64390), (2740, 59643), (2820, 57951), (3699, 44180), (4110, 39762), (4230, 38634), (4418, 36990), (4932, 33135), (5076, 32195), (6165, 26508), (6345, 25756), (6439, 25380), (6627, 24660), (7398, 22090), (8220, 19881), (8460, 19317), (8836, 18495), (11045, 14796), (12330, 13254), (12690, 12878)]