221368560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:400

約数の個数: 320

約数和(自身を含む): 869087232

約数和(自身を除く): 647718672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 23, 24, 28, 30, 34, 35, 40, 42, 46, 48, 51, 56, 60, 68, 69, 70, 80, 84, 85, 92, 102, 105, 112, 115, 119, 120, 136, 138, 140, 161, 168, 170, 184, 204, 210, 230, 238, 240, 255, 272, 276, 280, 322, 336, 337, 340, 345, 357, 368, 391, 408, 420, 460, 476, 483, 510, 552, 560, 595, 644, 674, 680, 690, 714, 782, 805, 816, 840, 920, 952, 966, 1011, 1020, 1104, 1173, 1190, 1288, 1348, 1360, 1380, 1428, 1564, 1610, 1680, 1685, 1785, 1840, 1904, 1932, 1955, 2022, 2040, 2346, 2359, 2380, 2415, 2576, 2696, 2737, 2760, 2856, 3128, 3220, 3370, 3570, 3864, 3910, 4044, 4080, 4692, 4718, 4760, 4830, 5055, 5392, 5474, 5520, 5712, 5729, 5865, 6256, 6440, 6740, 7077, 7140, 7728, 7751, 7820, 8088, 8211, 9384, 9436, 9520, 9660, 10110, 10948, 11458, 11730, 11795, 12880, 13480, 13685, 14154, 14280, 15502, 15640, 16176, 16422, 17187, 18768, 18872, 19320, 20220, 21896, 22916, 23253, 23460, 23590, 26960, 27370, 28308, 28560, 28645, 31004, 31280, 32844, 34374, 35385, 37744, 38640, 38755, 40103, 40440, 41055, 43792, 45832, 46506, 46920, 47180, 54257, 54740, 56616, 57290, 62008, 65688, 68748, 70770, 77510, 80206, 80880, 82110, 85935, 91664, 93012, 93840, 94360, 108514, 109480, 113232, 114580, 116265, 120309, 124016, 131376, 131767, 137496, 141540, 155020, 160412, 162771, 164220, 171870, 186024, 188720, 200515, 217028, 218960, 229160, 232530, 240618, 263534, 271285, 274992, 283080, 310040, 320824, 325542, 328440, 343740, 372048, 395301, 401030, 434056, 458320, 465060, 481236, 527068, 542570, 566160, 601545, 620080, 641648, 651084, 656880, 658835, 687480, 790602, 802060, 813855, 868112, 922369, 930120, 962472, 1054136, 1085140, 1203090, 1302168, 1317670, 1374960, 1581204, 1604120, 1627710, 1844738, 1860240, 1924944, 1976505, 2108272, 2170280, 2406180, 2604336, 2635340, 2767107, 3162408, 3208240, 3255420, 3689476, 3953010, 4340560, 4611845, 4812360, 5270680, 5534214, 6324816, 6510840, 7378952, 7906020, 9223690, 9624720, 10541360, 11068428, 13021680, 13835535, 14757904, 15812040, 18447380, 22136856, 27671070, 31624080, 36894760, 44273712, 55342140, 73789520, 110684280, 221368560]

約数ペア:

[(1, 221368560), (2, 110684280), (3, 73789520), (4, 55342140), (5, 44273712), (6, 36894760), (7, 31624080), (8, 27671070), (10, 22136856), (12, 18447380), (14, 15812040), (15, 14757904), (16, 13835535), (17, 13021680), (20, 11068428), (21, 10541360), (23, 9624720), (24, 9223690), (28, 7906020), (30, 7378952), (34, 6510840), (35, 6324816), (40, 5534214), (42, 5270680), (46, 4812360), (48, 4611845), (51, 4340560), (56, 3953010), (60, 3689476), (68, 3255420), (69, 3208240), (70, 3162408), (80, 2767107), (84, 2635340), (85, 2604336), (92, 2406180), (102, 2170280), (105, 2108272), (112, 1976505), (115, 1924944), (119, 1860240), (120, 1844738), (136, 1627710), (138, 1604120), (140, 1581204), (161, 1374960), (168, 1317670), (170, 1302168), (184, 1203090), (204, 1085140), (210, 1054136), (230, 962472), (238, 930120), (240, 922369), (255, 868112), (272, 813855), (276, 802060), (280, 790602), (322, 687480), (336, 658835), (337, 656880), (340, 651084), (345, 641648), (357, 620080), (368, 601545), (391, 566160), (408, 542570), (420, 527068), (460, 481236), (476, 465060), (483, 458320), (510, 434056), (552, 401030), (560, 395301), (595, 372048), (644, 343740), (674, 328440), (680, 325542), (690, 320824), (714, 310040), (782, 283080), (805, 274992), (816, 271285), (840, 263534), (920, 240618), (952, 232530), (966, 229160), (1011, 218960), (1020, 217028), (1104, 200515), (1173, 188720), (1190, 186024), (1288, 171870), (1348, 164220), (1360, 162771), (1380, 160412), (1428, 155020), (1564, 141540), (1610, 137496), (1680, 131767), (1685, 131376), (1785, 124016), (1840, 120309), (1904, 116265), (1932, 114580), (1955, 113232), (2022, 109480), (2040, 108514), (2346, 94360), (2359, 93840), (2380, 93012), (2415, 91664), (2576, 85935), (2696, 82110), (2737, 80880), (2760, 80206), (2856, 77510), (3128, 70770), (3220, 68748), (3370, 65688), (3570, 62008), (3864, 57290), (3910, 56616), (4044, 54740), (4080, 54257), (4692, 47180), (4718, 46920), (4760, 46506), (4830, 45832), (5055, 43792), (5392, 41055), (5474, 40440), (5520, 40103), (5712, 38755), (5729, 38640), (5865, 37744), (6256, 35385), (6440, 34374), (6740, 32844), (7077, 31280), (7140, 31004), (7728, 28645), (7751, 28560), (7820, 28308), (8088, 27370), (8211, 26960), (9384, 23590), (9436, 23460), (9520, 23253), (9660, 22916), (10110, 21896), (10948, 20220), (11458, 19320), (11730, 18872), (11795, 18768), (12880, 17187), (13480, 16422), (13685, 16176), (14154, 15640), (14280, 15502)]