490644180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^2$

素因数の和:295

約数の個数: 162

約数和(自身を含む): 1624366926

約数和(自身を除く): 1133722746

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 127, 130, 156, 169, 180, 195, 234, 254, 260, 338, 381, 390, 468, 507, 508, 585, 635, 676, 762, 780, 845, 1014, 1143, 1170, 1270, 1521, 1524, 1651, 1690, 1905, 2028, 2286, 2340, 2535, 2540, 3042, 3302, 3380, 3810, 4572, 4953, 5070, 5715, 6084, 6604, 7605, 7620, 8255, 9906, 10140, 11430, 14859, 15210, 16129, 16510, 19812, 21463, 22860, 24765, 29718, 30420, 32258, 33020, 42926, 48387, 49530, 59436, 64389, 64516, 74295, 80645, 85852, 96774, 99060, 107315, 128778, 145161, 148590, 161290, 193167, 193548, 209677, 214630, 241935, 257556, 290322, 297180, 321945, 322580, 386334, 419354, 429260, 483870, 580644, 629031, 643890, 725805, 772668, 838708, 965835, 967740, 1048385, 1258062, 1287780, 1451610, 1887093, 1931670, 2096770, 2516124, 2725801, 2903220, 3145155, 3774186, 3863340, 4193540, 5451602, 6290310, 7548372, 8177403, 9435465, 10903204, 12580620, 13629005, 16354806, 18870930, 24532209, 27258010, 32709612, 37741860, 40887015, 49064418, 54516020, 81774030, 98128836, 122661045, 163548060, 245322090, 490644180]

約数ペア:

[(1, 490644180), (2, 245322090), (3, 163548060), (4, 122661045), (5, 98128836), (6, 81774030), (9, 54516020), (10, 49064418), (12, 40887015), (13, 37741860), (15, 32709612), (18, 27258010), (20, 24532209), (26, 18870930), (30, 16354806), (36, 13629005), (39, 12580620), (45, 10903204), (52, 9435465), (60, 8177403), (65, 7548372), (78, 6290310), (90, 5451602), (117, 4193540), (127, 3863340), (130, 3774186), (156, 3145155), (169, 2903220), (180, 2725801), (195, 2516124), (234, 2096770), (254, 1931670), (260, 1887093), (338, 1451610), (381, 1287780), (390, 1258062), (468, 1048385), (507, 967740), (508, 965835), (585, 838708), (635, 772668), (676, 725805), (762, 643890), (780, 629031), (845, 580644), (1014, 483870), (1143, 429260), (1170, 419354), (1270, 386334), (1521, 322580), (1524, 321945), (1651, 297180), (1690, 290322), (1905, 257556), (2028, 241935), (2286, 214630), (2340, 209677), (2535, 193548), (2540, 193167), (3042, 161290), (3302, 148590), (3380, 145161), (3810, 128778), (4572, 107315), (4953, 99060), (5070, 96774), (5715, 85852), (6084, 80645), (6604, 74295), (7605, 64516), (7620, 64389), (8255, 59436), (9906, 49530), (10140, 48387), (11430, 42926), (14859, 33020), (15210, 32258), (16129, 30420), (16510, 29718), (19812, 24765), (21463, 22860)]