209456520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19181}}^1$

素因数の和:19215

約数の個数: 128

約数和(自身を含む): 773418240

約数和(自身を除く): 563961720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 19181, 38362, 57543, 76724, 95905, 115086, 134267, 153448, 191810, 230172, 249353, 268534, 287715, 383620, 402801, 460344, 498706, 537068, 575430, 671335, 748059, 767240, 805602, 997412, 1074136, 1150860, 1246765, 1342670, 1496118, 1611204, 1745471, 1994824, 2014005, 2301720, 2493530, 2685340, 2992236, 3222408, 3490942, 3740295, 4028010, 4987060, 5236413, 5370680, 5984472, 6981884, 7480590, 8056020, 8727355, 9974120, 10472826, 13963768, 14961180, 16112040, 17454710, 20945652, 26182065, 29922360, 34909420, 41891304, 52364130, 69818840, 104728260, 209456520]

約数ペア:

[(1, 209456520), (2, 104728260), (3, 69818840), (4, 52364130), (5, 41891304), (6, 34909420), (7, 29922360), (8, 26182065), (10, 20945652), (12, 17454710), (13, 16112040), (14, 14961180), (15, 13963768), (20, 10472826), (21, 9974120), (24, 8727355), (26, 8056020), (28, 7480590), (30, 6981884), (35, 5984472), (39, 5370680), (40, 5236413), (42, 4987060), (52, 4028010), (56, 3740295), (60, 3490942), (65, 3222408), (70, 2992236), (78, 2685340), (84, 2493530), (91, 2301720), (104, 2014005), (105, 1994824), (120, 1745471), (130, 1611204), (140, 1496118), (156, 1342670), (168, 1246765), (182, 1150860), (195, 1074136), (210, 997412), (260, 805602), (273, 767240), (280, 748059), (312, 671335), (364, 575430), (390, 537068), (420, 498706), (455, 460344), (520, 402801), (546, 383620), (728, 287715), (780, 268534), (840, 249353), (910, 230172), (1092, 191810), (1365, 153448), (1560, 134267), (1820, 115086), (2184, 95905), (2730, 76724), (3640, 57543), (5460, 38362), (10920, 19181)]