521412640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:255

約数の個数: 192

約数和(自身を含む): 1463132160

約数和(自身を除く): 941719520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 79, 80, 83, 112, 140, 142, 158, 160, 166, 224, 280, 284, 316, 332, 355, 395, 415, 497, 553, 560, 568, 581, 632, 664, 710, 790, 830, 994, 1106, 1120, 1136, 1162, 1264, 1328, 1420, 1580, 1660, 1988, 2212, 2272, 2324, 2485, 2528, 2656, 2765, 2840, 2905, 3160, 3320, 3976, 4424, 4648, 4970, 5530, 5609, 5680, 5810, 5893, 6320, 6557, 6640, 7952, 8848, 9296, 9940, 11060, 11218, 11360, 11620, 11786, 12640, 13114, 13280, 15904, 17696, 18592, 19880, 22120, 22436, 23240, 23572, 26228, 28045, 29465, 32785, 39263, 39760, 41251, 44240, 44872, 45899, 46480, 47144, 52456, 56090, 58930, 65570, 78526, 79520, 82502, 88480, 89744, 91798, 92960, 94288, 104912, 112180, 117860, 131140, 157052, 165004, 179488, 183596, 188576, 196315, 206255, 209824, 224360, 229495, 235720, 262280, 314104, 330008, 367192, 392630, 412510, 448720, 458990, 465547, 471440, 524560, 628208, 660016, 734384, 785260, 825020, 897440, 917980, 931094, 942880, 1049120, 1256416, 1320032, 1468768, 1570520, 1650040, 1835960, 1862188, 2327735, 3141040, 3258829, 3300080, 3671920, 3724376, 4655470, 6282080, 6517658, 6600160, 7343840, 7448752, 9310940, 13035316, 14897504, 16294145, 18621880, 26070632, 32588290, 37243760, 52141264, 65176580, 74487520, 104282528, 130353160, 260706320, 521412640]

約数ペア:

[(1, 521412640), (2, 260706320), (4, 130353160), (5, 104282528), (7, 74487520), (8, 65176580), (10, 52141264), (14, 37243760), (16, 32588290), (20, 26070632), (28, 18621880), (32, 16294145), (35, 14897504), (40, 13035316), (56, 9310940), (70, 7448752), (71, 7343840), (79, 6600160), (80, 6517658), (83, 6282080), (112, 4655470), (140, 3724376), (142, 3671920), (158, 3300080), (160, 3258829), (166, 3141040), (224, 2327735), (280, 1862188), (284, 1835960), (316, 1650040), (332, 1570520), (355, 1468768), (395, 1320032), (415, 1256416), (497, 1049120), (553, 942880), (560, 931094), (568, 917980), (581, 897440), (632, 825020), (664, 785260), (710, 734384), (790, 660016), (830, 628208), (994, 524560), (1106, 471440), (1120, 465547), (1136, 458990), (1162, 448720), (1264, 412510), (1328, 392630), (1420, 367192), (1580, 330008), (1660, 314104), (1988, 262280), (2212, 235720), (2272, 229495), (2324, 224360), (2485, 209824), (2528, 206255), (2656, 196315), (2765, 188576), (2840, 183596), (2905, 179488), (3160, 165004), (3320, 157052), (3976, 131140), (4424, 117860), (4648, 112180), (4970, 104912), (5530, 94288), (5609, 92960), (5680, 91798), (5810, 89744), (5893, 88480), (6320, 82502), (6557, 79520), (6640, 78526), (7952, 65570), (8848, 58930), (9296, 56090), (9940, 52456), (11060, 47144), (11218, 46480), (11360, 45899), (11620, 44872), (11786, 44240), (12640, 41251), (13114, 39760), (13280, 39263), (15904, 32785), (17696, 29465), (18592, 28045), (19880, 26228), (22120, 23572), (22436, 23240)]