66641120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 192

約数和(自身を含む): 203212800

約数和(自身を除く): 136571680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 65, 70, 80, 91, 92, 104, 112, 115, 130, 140, 160, 161, 182, 184, 199, 208, 224, 230, 260, 280, 299, 322, 364, 368, 398, 416, 455, 460, 520, 560, 598, 644, 728, 736, 796, 805, 910, 920, 995, 1040, 1120, 1196, 1288, 1393, 1456, 1495, 1592, 1610, 1820, 1840, 1990, 2080, 2093, 2392, 2576, 2587, 2786, 2912, 2990, 3184, 3220, 3640, 3680, 3980, 4186, 4577, 4784, 5152, 5174, 5572, 5980, 6368, 6440, 6965, 7280, 7960, 8372, 9154, 9568, 10348, 10465, 11144, 11960, 12880, 12935, 13930, 14560, 15920, 16744, 18109, 18308, 20696, 20930, 22288, 22885, 23920, 25760, 25870, 27860, 31840, 32039, 33488, 36218, 36616, 41392, 41860, 44576, 45770, 47840, 51740, 55720, 59501, 64078, 66976, 72436, 73232, 82784, 83720, 90545, 91540, 103480, 111440, 119002, 128156, 144872, 146464, 160195, 167440, 181090, 183080, 206960, 222880, 238004, 256312, 289744, 297505, 320390, 334880, 362180, 366160, 413920, 416507, 476008, 512624, 579488, 595010, 640780, 724360, 732320, 833014, 952016, 1025248, 1190020, 1281560, 1448720, 1666028, 1904032, 2082535, 2380040, 2563120, 2897440, 3332056, 4165070, 4760080, 5126240, 6664112, 8330140, 9520160, 13328224, 16660280, 33320560, 66641120]

約数ペア:

[(1, 66641120), (2, 33320560), (4, 16660280), (5, 13328224), (7, 9520160), (8, 8330140), (10, 6664112), (13, 5126240), (14, 4760080), (16, 4165070), (20, 3332056), (23, 2897440), (26, 2563120), (28, 2380040), (32, 2082535), (35, 1904032), (40, 1666028), (46, 1448720), (52, 1281560), (56, 1190020), (65, 1025248), (70, 952016), (80, 833014), (91, 732320), (92, 724360), (104, 640780), (112, 595010), (115, 579488), (130, 512624), (140, 476008), (160, 416507), (161, 413920), (182, 366160), (184, 362180), (199, 334880), (208, 320390), (224, 297505), (230, 289744), (260, 256312), (280, 238004), (299, 222880), (322, 206960), (364, 183080), (368, 181090), (398, 167440), (416, 160195), (455, 146464), (460, 144872), (520, 128156), (560, 119002), (598, 111440), (644, 103480), (728, 91540), (736, 90545), (796, 83720), (805, 82784), (910, 73232), (920, 72436), (995, 66976), (1040, 64078), (1120, 59501), (1196, 55720), (1288, 51740), (1393, 47840), (1456, 45770), (1495, 44576), (1592, 41860), (1610, 41392), (1820, 36616), (1840, 36218), (1990, 33488), (2080, 32039), (2093, 31840), (2392, 27860), (2576, 25870), (2587, 25760), (2786, 23920), (2912, 22885), (2990, 22288), (3184, 20930), (3220, 20696), (3640, 18308), (3680, 18109), (3980, 16744), (4186, 15920), (4577, 14560), (4784, 13930), (5152, 12935), (5174, 12880), (5572, 11960), (5980, 11144), (6368, 10465), (6440, 10348), (6965, 9568), (7280, 9154), (7960, 8372)]