640374000

素因数分解:

$2^4\times 3^1\times 5^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:305

約数の個数: 320

約数和(自身を含む): 2401751040

約数和(自身を除く): 1761377040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 79, 80, 84, 100, 105, 112, 120, 125, 140, 150, 158, 168, 175, 193, 200, 210, 237, 240, 250, 280, 300, 316, 336, 350, 375, 386, 395, 400, 420, 474, 500, 525, 553, 560, 579, 600, 632, 700, 750, 772, 790, 840, 875, 948, 965, 1000, 1050, 1106, 1158, 1185, 1200, 1264, 1351, 1400, 1500, 1544, 1580, 1659, 1680, 1750, 1896, 1930, 1975, 2000, 2100, 2212, 2316, 2370, 2625, 2702, 2765, 2800, 2895, 3000, 3088, 3160, 3318, 3500, 3792, 3860, 3950, 4053, 4200, 4424, 4632, 4740, 4825, 5250, 5404, 5530, 5790, 5925, 6000, 6320, 6636, 6755, 7000, 7720, 7900, 8106, 8295, 8400, 8848, 9264, 9480, 9650, 9875, 10500, 10808, 11060, 11580, 11850, 13272, 13510, 13825, 14000, 14475, 15247, 15440, 15800, 16212, 16590, 18960, 19300, 19750, 20265, 21000, 21616, 22120, 23160, 23700, 24125, 26544, 27020, 27650, 28950, 29625, 30494, 31600, 32424, 33180, 33775, 38600, 39500, 40530, 41475, 42000, 44240, 45741, 46320, 47400, 48250, 54040, 55300, 57900, 59250, 60988, 64848, 66360, 67550, 69125, 72375, 76235, 77200, 79000, 81060, 82950, 91482, 94800, 96500, 101325, 106729, 108080, 110600, 115800, 118500, 121976, 132720, 135100, 138250, 144750, 152470, 158000, 162120, 165900, 168875, 182964, 193000, 202650, 207375, 213458, 221200, 228705, 231600, 237000, 243952, 270200, 276500, 289500, 304940, 320187, 324240, 331800, 337750, 365928, 381175, 386000, 405300, 414750, 426916, 457410, 474000, 506625, 533645, 540400, 553000, 579000, 609880, 640374, 663600, 675500, 731856, 762350, 810600, 829500, 853832, 914820, 1013250, 1067290, 1106000, 1143525, 1158000, 1219760, 1280748, 1351000, 1524700, 1600935, 1621200, 1659000, 1707664, 1829640, 1905875, 2026500, 2134580, 2287050, 2561496, 2668225, 2702000, 3049400, 3201870, 3318000, 3659280, 3811750, 4053000, 4269160, 4574100, 5122992, 5336450, 5717625, 6098800, 6403740, 7623500, 8004675, 8106000, 8538320, 9148200, 10672900, 11435250, 12807480, 13341125, 15247000, 16009350, 18296400, 21345800, 22870500, 25614960, 26682250, 30494000, 32018700, 40023375, 42691600, 45741000, 53364500, 64037400, 80046750, 91482000, 106729000, 128074800, 160093500, 213458000, 320187000, 640374000]

約数ペア:

[(1, 640374000), (2, 320187000), (3, 213458000), (4, 160093500), (5, 128074800), (6, 106729000), (7, 91482000), (8, 80046750), (10, 64037400), (12, 53364500), (14, 45741000), (15, 42691600), (16, 40023375), (20, 32018700), (21, 30494000), (24, 26682250), (25, 25614960), (28, 22870500), (30, 21345800), (35, 18296400), (40, 16009350), (42, 15247000), (48, 13341125), (50, 12807480), (56, 11435250), (60, 10672900), (70, 9148200), (75, 8538320), (79, 8106000), (80, 8004675), (84, 7623500), (100, 6403740), (105, 6098800), (112, 5717625), (120, 5336450), (125, 5122992), (140, 4574100), (150, 4269160), (158, 4053000), (168, 3811750), (175, 3659280), (193, 3318000), (200, 3201870), (210, 3049400), (237, 2702000), (240, 2668225), (250, 2561496), (280, 2287050), (300, 2134580), (316, 2026500), (336, 1905875), (350, 1829640), (375, 1707664), (386, 1659000), (395, 1621200), (400, 1600935), (420, 1524700), (474, 1351000), (500, 1280748), (525, 1219760), (553, 1158000), (560, 1143525), (579, 1106000), (600, 1067290), (632, 1013250), (700, 914820), (750, 853832), (772, 829500), (790, 810600), (840, 762350), (875, 731856), (948, 675500), (965, 663600), (1000, 640374), (1050, 609880), (1106, 579000), (1158, 553000), (1185, 540400), (1200, 533645), (1264, 506625), (1351, 474000), (1400, 457410), (1500, 426916), (1544, 414750), (1580, 405300), (1659, 386000), (1680, 381175), (1750, 365928), (1896, 337750), (1930, 331800), (1975, 324240), (2000, 320187), (2100, 304940), (2212, 289500), (2316, 276500), (2370, 270200), (2625, 243952), (2702, 237000), (2765, 231600), (2800, 228705), (2895, 221200), (3000, 213458), (3088, 207375), (3160, 202650), (3318, 193000), (3500, 182964), (3792, 168875), (3860, 165900), (3950, 162120), (4053, 158000), (4200, 152470), (4424, 144750), (4632, 138250), (4740, 135100), (4825, 132720), (5250, 121976), (5404, 118500), (5530, 115800), (5790, 110600), (5925, 108080), (6000, 106729), (6320, 101325), (6636, 96500), (6755, 94800), (7000, 91482), (7720, 82950), (7900, 81060), (8106, 79000), (8295, 77200), (8400, 76235), (8848, 72375), (9264, 69125), (9480, 67550), (9650, 66360), (9875, 64848), (10500, 60988), (10808, 59250), (11060, 57900), (11580, 55300), (11850, 54040), (13272, 48250), (13510, 47400), (13825, 46320), (14000, 45741), (14475, 44240), (15247, 42000), (15440, 41475), (15800, 40530), (16212, 39500), (16590, 38600), (18960, 33775), (19300, 33180), (19750, 32424), (20265, 31600), (21000, 30494), (21616, 29625), (22120, 28950), (23160, 27650), (23700, 27020), (24125, 26544)]