253008840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{839}}^1$

素因数の和:1219

約数の個数: 128

約数和(自身を含む): 870912000

約数和(自身を除く): 617903160

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, 359, 420, 718, 839, 840, 1077, 1436, 1678, 1795, 2154, 2513, 2517, 2872, 3356, 3590, 4195, 4308, 5026, 5034, 5385, 5873, 6712, 7180, 7539, 8390, 8616, 10052, 10068, 10770, 11746, 12565, 12585, 14360, 15078, 16780, 17619, 20104, 20136, 21540, 23492, 25130, 25170, 29365, 30156, 33560, 35238, 37695, 43080, 46984, 50260, 50340, 58730, 60312, 70476, 75390, 88095, 100520, 100680, 117460, 140952, 150780, 176190, 234920, 301201, 301560, 352380, 602402, 704760, 903603, 1204804, 1506005, 1807206, 2108407, 2409608, 3012010, 3614412, 4216814, 4518015, 6024020, 6325221, 7228824, 8433628, 9036030, 10542035, 12048040, 12650442, 16867256, 18072060, 21084070, 25300884, 31626105, 36144120, 42168140, 50601768, 63252210, 84336280, 126504420, 253008840]

約数ペア:

[(1, 253008840), (2, 126504420), (3, 84336280), (4, 63252210), (5, 50601768), (6, 42168140), (7, 36144120), (8, 31626105), (10, 25300884), (12, 21084070), (14, 18072060), (15, 16867256), (20, 12650442), (21, 12048040), (24, 10542035), (28, 9036030), (30, 8433628), (35, 7228824), (40, 6325221), (42, 6024020), (56, 4518015), (60, 4216814), (70, 3614412), (84, 3012010), (105, 2409608), (120, 2108407), (140, 1807206), (168, 1506005), (210, 1204804), (280, 903603), (359, 704760), (420, 602402), (718, 352380), (839, 301560), (840, 301201), (1077, 234920), (1436, 176190), (1678, 150780), (1795, 140952), (2154, 117460), (2513, 100680), (2517, 100520), (2872, 88095), (3356, 75390), (3590, 70476), (4195, 60312), (4308, 58730), (5026, 50340), (5034, 50260), (5385, 46984), (5873, 43080), (6712, 37695), (7180, 35238), (7539, 33560), (8390, 30156), (8616, 29365), (10052, 25170), (10068, 25130), (10770, 23492), (11746, 21540), (12565, 20136), (12585, 20104), (14360, 17619), (15078, 16780)]