218993040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43451}}^1$

素因数の和:43477

約数の個数: 120

約数和(自身を含む): 840535488

約数和(自身を除く): 621542448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 43451, 86902, 130353, 173804, 217255, 260706, 304157, 347608, 391059, 434510, 521412, 608314, 651765, 695216, 782118, 869020, 912471, 1042824, 1216628, 1303530, 1520785, 1564236, 1738040, 1824942, 1955295, 2085648, 2433256, 2607060, 2737413, 3041570, 3128472, 3476080, 3649884, 3910590, 4562355, 4866512, 5214120, 5474826, 6083140, 6256944, 7299768, 7821180, 9124710, 10428240, 10949652, 12166280, 13687065, 14599536, 15642360, 18249420, 21899304, 24332560, 27374130, 31284720, 36498840, 43798608, 54748260, 72997680, 109496520, 218993040]

約数ペア:

[(1, 218993040), (2, 109496520), (3, 72997680), (4, 54748260), (5, 43798608), (6, 36498840), (7, 31284720), (8, 27374130), (9, 24332560), (10, 21899304), (12, 18249420), (14, 15642360), (15, 14599536), (16, 13687065), (18, 12166280), (20, 10949652), (21, 10428240), (24, 9124710), (28, 7821180), (30, 7299768), (35, 6256944), (36, 6083140), (40, 5474826), (42, 5214120), (45, 4866512), (48, 4562355), (56, 3910590), (60, 3649884), (63, 3476080), (70, 3128472), (72, 3041570), (80, 2737413), (84, 2607060), (90, 2433256), (105, 2085648), (112, 1955295), (120, 1824942), (126, 1738040), (140, 1564236), (144, 1520785), (168, 1303530), (180, 1216628), (210, 1042824), (240, 912471), (252, 869020), (280, 782118), (315, 695216), (336, 651765), (360, 608314), (420, 521412), (504, 434510), (560, 391059), (630, 347608), (720, 304157), (840, 260706), (1008, 217255), (1260, 173804), (1680, 130353), (2520, 86902), (5040, 43451)]