80403960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 256

約数和(自身を含む): 306432000

約数和(自身を除く): 226028040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 37, 39, 40, 42, 52, 56, 60, 65, 70, 74, 78, 84, 91, 104, 105, 111, 120, 130, 140, 148, 156, 168, 182, 185, 195, 199, 210, 222, 259, 260, 273, 280, 296, 312, 364, 370, 390, 398, 420, 444, 455, 481, 518, 520, 546, 555, 597, 728, 740, 777, 780, 796, 840, 888, 910, 962, 995, 1036, 1092, 1110, 1194, 1295, 1365, 1393, 1443, 1480, 1554, 1560, 1592, 1820, 1924, 1990, 2072, 2184, 2220, 2388, 2405, 2587, 2590, 2730, 2786, 2886, 2985, 3108, 3367, 3640, 3848, 3885, 3980, 4179, 4440, 4776, 4810, 5174, 5180, 5460, 5572, 5772, 5970, 6216, 6734, 6965, 7215, 7363, 7761, 7770, 7960, 8358, 9620, 10101, 10348, 10360, 10920, 11144, 11544, 11940, 12935, 13468, 13930, 14430, 14726, 15522, 15540, 16716, 16835, 18109, 19240, 20202, 20696, 20895, 22089, 23880, 25870, 26936, 27860, 28860, 29452, 31044, 31080, 33432, 33670, 36218, 36815, 38805, 40404, 41790, 44178, 50505, 51541, 51740, 54327, 55720, 57720, 58904, 62088, 67340, 72436, 73630, 77610, 80808, 83580, 88356, 90545, 95719, 101010, 103082, 103480, 108654, 110445, 134680, 144872, 147260, 154623, 155220, 167160, 176712, 181090, 191438, 202020, 206164, 217308, 220890, 257705, 271635, 287157, 294520, 309246, 310440, 362180, 382876, 404040, 412328, 434616, 441780, 478595, 515410, 543270, 574314, 618492, 670033, 724360, 765752, 773115, 883560, 957190, 1030820, 1086540, 1148628, 1236984, 1340066, 1435785, 1546230, 1914380, 2010099, 2061640, 2173080, 2297256, 2680132, 2871570, 3092460, 3350165, 3828760, 4020198, 5360264, 5743140, 6184920, 6700330, 8040396, 10050495, 11486280, 13400660, 16080792, 20100990, 26801320, 40201980, 80403960]

約数ペア:

[(1, 80403960), (2, 40201980), (3, 26801320), (4, 20100990), (5, 16080792), (6, 13400660), (7, 11486280), (8, 10050495), (10, 8040396), (12, 6700330), (13, 6184920), (14, 5743140), (15, 5360264), (20, 4020198), (21, 3828760), (24, 3350165), (26, 3092460), (28, 2871570), (30, 2680132), (35, 2297256), (37, 2173080), (39, 2061640), (40, 2010099), (42, 1914380), (52, 1546230), (56, 1435785), (60, 1340066), (65, 1236984), (70, 1148628), (74, 1086540), (78, 1030820), (84, 957190), (91, 883560), (104, 773115), (105, 765752), (111, 724360), (120, 670033), (130, 618492), (140, 574314), (148, 543270), (156, 515410), (168, 478595), (182, 441780), (185, 434616), (195, 412328), (199, 404040), (210, 382876), (222, 362180), (259, 310440), (260, 309246), (273, 294520), (280, 287157), (296, 271635), (312, 257705), (364, 220890), (370, 217308), (390, 206164), (398, 202020), (420, 191438), (444, 181090), (455, 176712), (481, 167160), (518, 155220), (520, 154623), (546, 147260), (555, 144872), (597, 134680), (728, 110445), (740, 108654), (777, 103480), (780, 103082), (796, 101010), (840, 95719), (888, 90545), (910, 88356), (962, 83580), (995, 80808), (1036, 77610), (1092, 73630), (1110, 72436), (1194, 67340), (1295, 62088), (1365, 58904), (1393, 57720), (1443, 55720), (1480, 54327), (1554, 51740), (1560, 51541), (1592, 50505), (1820, 44178), (1924, 41790), (1990, 40404), (2072, 38805), (2184, 36815), (2220, 36218), (2388, 33670), (2405, 33432), (2587, 31080), (2590, 31044), (2730, 29452), (2786, 28860), (2886, 27860), (2985, 26936), (3108, 25870), (3367, 23880), (3640, 22089), (3848, 20895), (3885, 20696), (3980, 20202), (4179, 19240), (4440, 18109), (4776, 16835), (4810, 16716), (5174, 15540), (5180, 15522), (5460, 14726), (5572, 14430), (5772, 13930), (5970, 13468), (6216, 12935), (6734, 11940), (6965, 11544), (7215, 11144), (7363, 10920), (7761, 10360), (7770, 10348), (7960, 10101), (8358, 9620)]