1311558360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{1861}}^1$

素因数の和:2721

約数の個数: 128

約数和(自身を含む): 4504550400

約数和(自身を除く): 3192992040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 839, 840, 1678, 1861, 2517, 3356, 3722, 4195, 5034, 5583, 5873, 6712, 7444, 8390, 9305, 10068, 11166, 11746, 12585, 13027, 14888, 16780, 17619, 18610, 20136, 22332, 23492, 25170, 26054, 27915, 29365, 33560, 35238, 37220, 39081, 44664, 46984, 50340, 52108, 55830, 58730, 65135, 70476, 74440, 78162, 88095, 100680, 104216, 111660, 117460, 130270, 140952, 156324, 176190, 195405, 223320, 234920, 260540, 312648, 352380, 390810, 521080, 704760, 781620, 1561379, 1563240, 3122758, 4684137, 6245516, 7806895, 9368274, 10929653, 12491032, 15613790, 18736548, 21859306, 23420685, 31227580, 32788959, 37473096, 43718612, 46841370, 54648265, 62455160, 65577918, 87437224, 93682740, 109296530, 131155836, 163944795, 187365480, 218593060, 262311672, 327889590, 437186120, 655779180, 1311558360]

約数ペア:

[(1, 1311558360), (2, 655779180), (3, 437186120), (4, 327889590), (5, 262311672), (6, 218593060), (7, 187365480), (8, 163944795), (10, 131155836), (12, 109296530), (14, 93682740), (15, 87437224), (20, 65577918), (21, 62455160), (24, 54648265), (28, 46841370), (30, 43718612), (35, 37473096), (40, 32788959), (42, 31227580), (56, 23420685), (60, 21859306), (70, 18736548), (84, 15613790), (105, 12491032), (120, 10929653), (140, 9368274), (168, 7806895), (210, 6245516), (280, 4684137), (420, 3122758), (839, 1563240), (840, 1561379), (1678, 781620), (1861, 704760), (2517, 521080), (3356, 390810), (3722, 352380), (4195, 312648), (5034, 260540), (5583, 234920), (5873, 223320), (6712, 195405), (7444, 176190), (8390, 156324), (9305, 140952), (10068, 130270), (11166, 117460), (11746, 111660), (12585, 104216), (13027, 100680), (14888, 88095), (16780, 78162), (17619, 74440), (18610, 70476), (20136, 65135), (22332, 58730), (23492, 55830), (25170, 52108), (26054, 50340), (27915, 46984), (29365, 44664), (33560, 39081), (35238, 37220)]