1516231990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 192

約数和(自身を含む): 3640412160

約数和(自身を除く): 2124180170

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 49, 65, 70, 79, 91, 98, 115, 130, 131, 158, 161, 182, 230, 245, 262, 299, 322, 395, 455, 490, 553, 598, 637, 655, 790, 805, 910, 917, 1027, 1106, 1127, 1274, 1310, 1495, 1610, 1703, 1817, 1834, 2054, 2093, 2254, 2765, 2990, 3013, 3185, 3406, 3634, 3871, 4186, 4585, 5135, 5530, 5635, 6026, 6370, 6419, 7189, 7742, 8515, 9085, 9170, 10270, 10349, 10465, 11270, 11921, 12719, 12838, 14378, 14651, 15065, 17030, 18170, 19355, 20698, 20930, 21091, 23621, 23842, 25438, 29302, 30130, 32095, 35945, 38710, 39169, 42182, 47242, 50323, 51745, 59605, 63595, 64190, 71890, 72443, 73255, 78338, 83447, 89033, 100646, 103490, 105455, 118105, 119210, 127190, 134537, 144886, 146510, 147637, 165347, 166894, 178066, 195845, 210910, 236210, 238027, 251615, 269074, 274183, 295274, 330694, 362215, 391690, 417235, 445165, 476054, 503230, 507101, 548366, 672685, 724430, 738185, 826735, 834470, 890330, 941759, 1014202, 1157429, 1190135, 1345370, 1370915, 1476370, 1653470, 1666189, 1883518, 1919281, 2314858, 2380270, 2535505, 2741830, 3094351, 3332378, 3838562, 4708795, 5071010, 5787145, 6188702, 6592313, 8330945, 9417590, 9596405, 11574290, 11663323, 13184626, 15471755, 16661890, 19192810, 21660457, 23326646, 30943510, 32961565, 43320914, 58316615, 65923130, 108302285, 116633230, 151623199, 216604570, 303246398, 758115995, 1516231990]

約数ペア:

[(1, 1516231990), (2, 758115995), (5, 303246398), (7, 216604570), (10, 151623199), (13, 116633230), (14, 108302285), (23, 65923130), (26, 58316615), (35, 43320914), (46, 32961565), (49, 30943510), (65, 23326646), (70, 21660457), (79, 19192810), (91, 16661890), (98, 15471755), (115, 13184626), (130, 11663323), (131, 11574290), (158, 9596405), (161, 9417590), (182, 8330945), (230, 6592313), (245, 6188702), (262, 5787145), (299, 5071010), (322, 4708795), (395, 3838562), (455, 3332378), (490, 3094351), (553, 2741830), (598, 2535505), (637, 2380270), (655, 2314858), (790, 1919281), (805, 1883518), (910, 1666189), (917, 1653470), (1027, 1476370), (1106, 1370915), (1127, 1345370), (1274, 1190135), (1310, 1157429), (1495, 1014202), (1610, 941759), (1703, 890330), (1817, 834470), (1834, 826735), (2054, 738185), (2093, 724430), (2254, 672685), (2765, 548366), (2990, 507101), (3013, 503230), (3185, 476054), (3406, 445165), (3634, 417235), (3871, 391690), (4186, 362215), (4585, 330694), (5135, 295274), (5530, 274183), (5635, 269074), (6026, 251615), (6370, 238027), (6419, 236210), (7189, 210910), (7742, 195845), (8515, 178066), (9085, 166894), (9170, 165347), (10270, 147637), (10349, 146510), (10465, 144886), (11270, 134537), (11921, 127190), (12719, 119210), (12838, 118105), (14378, 105455), (14651, 103490), (15065, 100646), (17030, 89033), (18170, 83447), (19355, 78338), (20698, 73255), (20930, 72443), (21091, 71890), (23621, 64190), (23842, 63595), (25438, 59605), (29302, 51745), (30130, 50323), (32095, 47242), (35945, 42182), (38710, 39169)]