20731528080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{2383}}^1$

素因数の和:2726

約数の個数: 240

約数和(自身を含む): 71526064896

約数和(自身を除く): 50794536816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 281, 344, 360, 387, 430, 516, 562, 645, 688, 720, 774, 843, 860, 1032, 1124, 1290, 1405, 1548, 1686, 1720, 1935, 2064, 2248, 2383, 2529, 2580, 2810, 3096, 3372, 3440, 3870, 4215, 4496, 4766, 5058, 5160, 5620, 6192, 6744, 7149, 7740, 8430, 9532, 10116, 10320, 11240, 11915, 12083, 12645, 13488, 14298, 15480, 16860, 19064, 20232, 21447, 22480, 23830, 24166, 25290, 28596, 30960, 33720, 35745, 36249, 38128, 40464, 42894, 47660, 48332, 50580, 57192, 60415, 67440, 71490, 72498, 85788, 95320, 96664, 101160, 102469, 107235, 108747, 114384, 120830, 142980, 144996, 171576, 181245, 190640, 193328, 202320, 204938, 214470, 217494, 241660, 285960, 289992, 307407, 343152, 362490, 409876, 428940, 434988, 483320, 512345, 543735, 571920, 579984, 614814, 669623, 724980, 819752, 857880, 869976, 922221, 966640, 1024690, 1087470, 1229628, 1339246, 1449960, 1537035, 1639504, 1715760, 1739952, 1844442, 2008869, 2049380, 2174940, 2459256, 2678492, 2899920, 3074070, 3348115, 3688884, 4017738, 4098760, 4349880, 4611105, 4918512, 5356984, 6026607, 6148140, 6696230, 7377768, 8035476, 8197520, 8699760, 9222210, 10044345, 10713968, 12053214, 12296280, 13392460, 14755536, 16070952, 18444420, 20088690, 24106428, 24592560, 26784920, 28793789, 30133035, 32141904, 36888840, 40177380, 48212856, 53569840, 57587578, 60266070, 73777680, 80354760, 86381367, 96425712, 115175156, 120532140, 143968945, 160709520, 172762734, 230350312, 241064280, 259144101, 287937890, 345525468, 431906835, 460700624, 482128560, 518288202, 575875780, 691050936, 863813670, 1036576404, 1151751560, 1295720505, 1382101872, 1727627340, 2073152808, 2303503120, 2591441010, 3455254680, 4146305616, 5182882020, 6910509360, 10365764040, 20731528080]

約数ペア:

[(1, 20731528080), (2, 10365764040), (3, 6910509360), (4, 5182882020), (5, 4146305616), (6, 3455254680), (8, 2591441010), (9, 2303503120), (10, 2073152808), (12, 1727627340), (15, 1382101872), (16, 1295720505), (18, 1151751560), (20, 1036576404), (24, 863813670), (30, 691050936), (36, 575875780), (40, 518288202), (43, 482128560), (45, 460700624), (48, 431906835), (60, 345525468), (72, 287937890), (80, 259144101), (86, 241064280), (90, 230350312), (120, 172762734), (129, 160709520), (144, 143968945), (172, 120532140), (180, 115175156), (215, 96425712), (240, 86381367), (258, 80354760), (281, 73777680), (344, 60266070), (360, 57587578), (387, 53569840), (430, 48212856), (516, 40177380), (562, 36888840), (645, 32141904), (688, 30133035), (720, 28793789), (774, 26784920), (843, 24592560), (860, 24106428), (1032, 20088690), (1124, 18444420), (1290, 16070952), (1405, 14755536), (1548, 13392460), (1686, 12296280), (1720, 12053214), (1935, 10713968), (2064, 10044345), (2248, 9222210), (2383, 8699760), (2529, 8197520), (2580, 8035476), (2810, 7377768), (3096, 6696230), (3372, 6148140), (3440, 6026607), (3870, 5356984), (4215, 4918512), (4496, 4611105), (4766, 4349880), (5058, 4098760), (5160, 4017738), (5620, 3688884), (6192, 3348115), (6744, 3074070), (7149, 2899920), (7740, 2678492), (8430, 2459256), (9532, 2174940), (10116, 2049380), (10320, 2008869), (11240, 1844442), (11915, 1739952), (12083, 1715760), (12645, 1639504), (13488, 1537035), (14298, 1449960), (15480, 1339246), (16860, 1229628), (19064, 1087470), (20232, 1024690), (21447, 966640), (22480, 922221), (23830, 869976), (24166, 857880), (25290, 819752), (28596, 724980), (30960, 669623), (33720, 614814), (35745, 579984), (36249, 571920), (38128, 543735), (40464, 512345), (42894, 483320), (47660, 434988), (48332, 428940), (50580, 409876), (57192, 362490), (60415, 343152), (67440, 307407), (71490, 289992), (72498, 285960), (85788, 241660), (95320, 217494), (96664, 214470), (101160, 204938), (102469, 202320), (107235, 193328), (108747, 190640), (114384, 181245), (120830, 171576), (142980, 144996)]