204751980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 216

約数和(自身を含む): 688982112

約数和(自身を除く): 484230132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 137, 138, 171, 180, 190, 207, 228, 230, 274, 276, 285, 342, 345, 361, 380, 411, 414, 437, 460, 548, 570, 684, 685, 690, 722, 822, 828, 855, 874, 1035, 1083, 1140, 1233, 1311, 1370, 1380, 1444, 1644, 1710, 1748, 1805, 2055, 2070, 2166, 2185, 2466, 2603, 2622, 2740, 3151, 3249, 3420, 3610, 3933, 4110, 4140, 4332, 4370, 4932, 5206, 5244, 5415, 6165, 6302, 6498, 6555, 7220, 7809, 7866, 8220, 8303, 8740, 9453, 10412, 10830, 12330, 12604, 12996, 13015, 13110, 15618, 15732, 15755, 16245, 16606, 18906, 19665, 21660, 23427, 24660, 24909, 26030, 26220, 28359, 31236, 31510, 32490, 33212, 37812, 39045, 39330, 41515, 46854, 47265, 49457, 49818, 52060, 56718, 59869, 63020, 64980, 74727, 78090, 78660, 83030, 93708, 94530, 98914, 99636, 113436, 117135, 119738, 124545, 141795, 148371, 149454, 156180, 166060, 179607, 189060, 197828, 234270, 239476, 247285, 249090, 283590, 296742, 298908, 299345, 359214, 373635, 445113, 468540, 494570, 498180, 538821, 567180, 593484, 598690, 718428, 741855, 747270, 890226, 898035, 989140, 1077642, 1137511, 1197380, 1483710, 1494540, 1780452, 1796070, 2155284, 2225565, 2275022, 2694105, 2967420, 3412533, 3592140, 4451130, 4550044, 5388210, 5687555, 6825066, 8902260, 10237599, 10776420, 11375110, 13650132, 17062665, 20475198, 22750220, 34125330, 40950396, 51187995, 68250660, 102375990, 204751980]

約数ペア:

[(1, 204751980), (2, 102375990), (3, 68250660), (4, 51187995), (5, 40950396), (6, 34125330), (9, 22750220), (10, 20475198), (12, 17062665), (15, 13650132), (18, 11375110), (19, 10776420), (20, 10237599), (23, 8902260), (30, 6825066), (36, 5687555), (38, 5388210), (45, 4550044), (46, 4451130), (57, 3592140), (60, 3412533), (69, 2967420), (76, 2694105), (90, 2275022), (92, 2225565), (95, 2155284), (114, 1796070), (115, 1780452), (137, 1494540), (138, 1483710), (171, 1197380), (180, 1137511), (190, 1077642), (207, 989140), (228, 898035), (230, 890226), (274, 747270), (276, 741855), (285, 718428), (342, 598690), (345, 593484), (361, 567180), (380, 538821), (411, 498180), (414, 494570), (437, 468540), (460, 445113), (548, 373635), (570, 359214), (684, 299345), (685, 298908), (690, 296742), (722, 283590), (822, 249090), (828, 247285), (855, 239476), (874, 234270), (1035, 197828), (1083, 189060), (1140, 179607), (1233, 166060), (1311, 156180), (1370, 149454), (1380, 148371), (1444, 141795), (1644, 124545), (1710, 119738), (1748, 117135), (1805, 113436), (2055, 99636), (2070, 98914), (2166, 94530), (2185, 93708), (2466, 83030), (2603, 78660), (2622, 78090), (2740, 74727), (3151, 64980), (3249, 63020), (3420, 59869), (3610, 56718), (3933, 52060), (4110, 49818), (4140, 49457), (4332, 47265), (4370, 46854), (4932, 41515), (5206, 39330), (5244, 39045), (5415, 37812), (6165, 33212), (6302, 32490), (6498, 31510), (6555, 31236), (7220, 28359), (7809, 26220), (7866, 26030), (8220, 24909), (8303, 24660), (8740, 23427), (9453, 21660), (10412, 19665), (10830, 18906), (12330, 16606), (12604, 16245), (12996, 15755), (13015, 15732), (13110, 15618)]