490440720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26539}}^1$

素因数の和:26573

約数の個数: 160

約数和(自身を含む): 1895592960

約数和(自身を除く): 1405152240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1155, 1232, 1320, 1540, 1680, 1848, 2310, 2640, 3080, 3696, 4620, 6160, 9240, 18480, 26539, 53078, 79617, 106156, 132695, 159234, 185773, 212312, 265390, 291929, 318468, 371546, 398085, 424624, 530780, 557319, 583858, 636936, 743092, 796170, 875787, 928865, 1061560, 1114638, 1167716, 1273872, 1459645, 1486184, 1592340, 1751574, 1857730, 2043503, 2123120, 2229276, 2335432, 2786595, 2919290, 2972368, 3184680, 3503148, 3715460, 4087006, 4378935, 4458552, 4670864, 5573190, 5838580, 6130509, 6369360, 7006296, 7430920, 8174012, 8757870, 8917104, 10217515, 11146380, 11677160, 12261018, 14012592, 14861840, 16348024, 17515740, 20435030, 22292760, 23354320, 24522036, 30652545, 32696048, 35031480, 40870060, 44585520, 49044072, 61305090, 70062960, 81740120, 98088144, 122610180, 163480240, 245220360, 490440720]

約数ペア:

[(1, 490440720), (2, 245220360), (3, 163480240), (4, 122610180), (5, 98088144), (6, 81740120), (7, 70062960), (8, 61305090), (10, 49044072), (11, 44585520), (12, 40870060), (14, 35031480), (15, 32696048), (16, 30652545), (20, 24522036), (21, 23354320), (22, 22292760), (24, 20435030), (28, 17515740), (30, 16348024), (33, 14861840), (35, 14012592), (40, 12261018), (42, 11677160), (44, 11146380), (48, 10217515), (55, 8917104), (56, 8757870), (60, 8174012), (66, 7430920), (70, 7006296), (77, 6369360), (80, 6130509), (84, 5838580), (88, 5573190), (105, 4670864), (110, 4458552), (112, 4378935), (120, 4087006), (132, 3715460), (140, 3503148), (154, 3184680), (165, 2972368), (168, 2919290), (176, 2786595), (210, 2335432), (220, 2229276), (231, 2123120), (240, 2043503), (264, 1857730), (280, 1751574), (308, 1592340), (330, 1486184), (336, 1459645), (385, 1273872), (420, 1167716), (440, 1114638), (462, 1061560), (528, 928865), (560, 875787), (616, 796170), (660, 743092), (770, 636936), (840, 583858), (880, 557319), (924, 530780), (1155, 424624), (1232, 398085), (1320, 371546), (1540, 318468), (1680, 291929), (1848, 265390), (2310, 212312), (2640, 185773), (3080, 159234), (3696, 132695), (4620, 106156), (6160, 79617), (9240, 53078), (18480, 26539)]