291630640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:315

約数の個数: 160

約数和(自身を含む): 812519424

約数和(自身を除く): 520888784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 107, 112, 124, 140, 155, 157, 214, 217, 248, 280, 310, 314, 428, 434, 496, 535, 560, 620, 628, 749, 785, 856, 868, 1070, 1085, 1099, 1240, 1256, 1498, 1570, 1712, 1736, 2140, 2170, 2198, 2480, 2512, 2996, 3140, 3317, 3472, 3745, 4280, 4340, 4396, 4867, 5495, 5992, 6280, 6634, 7490, 8560, 8680, 8792, 9734, 10990, 11984, 12560, 13268, 14980, 16585, 16799, 17360, 17584, 19468, 21980, 23219, 24335, 26536, 29960, 33170, 33598, 34069, 38936, 43960, 46438, 48670, 53072, 59920, 66340, 67196, 68138, 77872, 83995, 87920, 92876, 97340, 116095, 117593, 132680, 134392, 136276, 167990, 170345, 185752, 194680, 232190, 235186, 265360, 268784, 272552, 335980, 340690, 371504, 389360, 464380, 470372, 520769, 545104, 587965, 671960, 681380, 928760, 940744, 1041538, 1175930, 1343920, 1362760, 1857520, 1881488, 2083076, 2351860, 2603845, 2725520, 3645383, 4166152, 4703720, 5207690, 7290766, 8332304, 9407440, 10415380, 14581532, 18226915, 20830760, 29163064, 36453830, 41661520, 58326128, 72907660, 145815320, 291630640]

約数ペア:

[(1, 291630640), (2, 145815320), (4, 72907660), (5, 58326128), (7, 41661520), (8, 36453830), (10, 29163064), (14, 20830760), (16, 18226915), (20, 14581532), (28, 10415380), (31, 9407440), (35, 8332304), (40, 7290766), (56, 5207690), (62, 4703720), (70, 4166152), (80, 3645383), (107, 2725520), (112, 2603845), (124, 2351860), (140, 2083076), (155, 1881488), (157, 1857520), (214, 1362760), (217, 1343920), (248, 1175930), (280, 1041538), (310, 940744), (314, 928760), (428, 681380), (434, 671960), (496, 587965), (535, 545104), (560, 520769), (620, 470372), (628, 464380), (749, 389360), (785, 371504), (856, 340690), (868, 335980), (1070, 272552), (1085, 268784), (1099, 265360), (1240, 235186), (1256, 232190), (1498, 194680), (1570, 185752), (1712, 170345), (1736, 167990), (2140, 136276), (2170, 134392), (2198, 132680), (2480, 117593), (2512, 116095), (2996, 97340), (3140, 92876), (3317, 87920), (3472, 83995), (3745, 77872), (4280, 68138), (4340, 67196), (4396, 66340), (4867, 59920), (5495, 53072), (5992, 48670), (6280, 46438), (6634, 43960), (7490, 38936), (8560, 34069), (8680, 33598), (8792, 33170), (9734, 29960), (10990, 26536), (11984, 24335), (12560, 23219), (13268, 21980), (14980, 19468), (16585, 17584), (16799, 17360)]