287234220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1697}}^1$

素因数の和:1760

約数の個数: 192

約数和(自身を含む): 1022386176

約数和(自身を除く): 735151956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 31, 35, 39, 42, 52, 60, 62, 65, 70, 78, 84, 91, 93, 105, 124, 130, 140, 155, 156, 182, 186, 195, 210, 217, 260, 273, 310, 364, 372, 390, 403, 420, 434, 455, 465, 546, 620, 651, 780, 806, 868, 910, 930, 1085, 1092, 1209, 1302, 1365, 1612, 1697, 1820, 1860, 2015, 2170, 2418, 2604, 2730, 2821, 3255, 3394, 4030, 4340, 4836, 5091, 5460, 5642, 6045, 6510, 6788, 8060, 8463, 8485, 10182, 11284, 11879, 12090, 13020, 14105, 16926, 16970, 20364, 22061, 23758, 24180, 25455, 28210, 33852, 33940, 35637, 42315, 44122, 47516, 50910, 52607, 56420, 59395, 66183, 71274, 84630, 88244, 101820, 105214, 110305, 118790, 132366, 142548, 154427, 157821, 169260, 178185, 210428, 220610, 237580, 263035, 264732, 308854, 315642, 330915, 356370, 368249, 441220, 463281, 526070, 617708, 631284, 661830, 683891, 712740, 736498, 772135, 789105, 926562, 1052140, 1104747, 1323660, 1367782, 1472996, 1544270, 1578210, 1841245, 1853124, 2051673, 2209494, 2316405, 2735564, 3088540, 3156420, 3419455, 3682490, 4103346, 4418988, 4632810, 4787237, 5523735, 6838910, 7364980, 8206692, 9265620, 9574474, 10258365, 11047470, 13677820, 14361711, 19148948, 20516730, 22094940, 23936185, 28723422, 41033460, 47872370, 57446844, 71808555, 95744740, 143617110, 287234220]

約数ペア:

[(1, 287234220), (2, 143617110), (3, 95744740), (4, 71808555), (5, 57446844), (6, 47872370), (7, 41033460), (10, 28723422), (12, 23936185), (13, 22094940), (14, 20516730), (15, 19148948), (20, 14361711), (21, 13677820), (26, 11047470), (28, 10258365), (30, 9574474), (31, 9265620), (35, 8206692), (39, 7364980), (42, 6838910), (52, 5523735), (60, 4787237), (62, 4632810), (65, 4418988), (70, 4103346), (78, 3682490), (84, 3419455), (91, 3156420), (93, 3088540), (105, 2735564), (124, 2316405), (130, 2209494), (140, 2051673), (155, 1853124), (156, 1841245), (182, 1578210), (186, 1544270), (195, 1472996), (210, 1367782), (217, 1323660), (260, 1104747), (273, 1052140), (310, 926562), (364, 789105), (372, 772135), (390, 736498), (403, 712740), (420, 683891), (434, 661830), (455, 631284), (465, 617708), (546, 526070), (620, 463281), (651, 441220), (780, 368249), (806, 356370), (868, 330915), (910, 315642), (930, 308854), (1085, 264732), (1092, 263035), (1209, 237580), (1302, 220610), (1365, 210428), (1612, 178185), (1697, 169260), (1820, 157821), (1860, 154427), (2015, 142548), (2170, 132366), (2418, 118790), (2604, 110305), (2730, 105214), (2821, 101820), (3255, 88244), (3394, 84630), (4030, 71274), (4340, 66183), (4836, 59395), (5091, 56420), (5460, 52607), (5642, 50910), (6045, 47516), (6510, 44122), (6788, 42315), (8060, 35637), (8463, 33940), (8485, 33852), (10182, 28210), (11284, 25455), (11879, 24180), (12090, 23758), (13020, 22061), (14105, 20364), (16926, 16970)]