420161715

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 839808000

約数和(自身を除く): 419646285

約数列:

[1, 3, 5, 9, 15, 17, 27, 29, 45, 51, 59, 85, 87, 107, 135, 145, 153, 177, 255, 261, 295, 321, 435, 459, 493, 531, 535, 765, 783, 885, 963, 1003, 1305, 1479, 1593, 1605, 1711, 1819, 2295, 2465, 2655, 2889, 3009, 3103, 3915, 4437, 4815, 5015, 5133, 5457, 6313, 7395, 7965, 8555, 9027, 9095, 9309, 13311, 14445, 15045, 15399, 15515, 16371, 18939, 22185, 25665, 27081, 27285, 27927, 29087, 31565, 45135, 46197, 46545, 49113, 52751, 56817, 66555, 76995, 81855, 83781, 87261, 94695, 107321, 135405, 139635, 145435, 158253, 170451, 183077, 230985, 245565, 261783, 263755, 284085, 321963, 418905, 436305, 474759, 536605, 549231, 785349, 791265, 852255, 915385, 965889, 1308915, 1424277, 1609815, 1647693, 2373795, 2746155, 2897667, 3112309, 3926745, 4829445, 4943079, 7121385, 8238465, 9336927, 14488335, 15561545, 24715395, 28010781, 46684635, 84032343, 140053905, 420161715]

約数ペア:

[(1, 420161715), (3, 140053905), (5, 84032343), (9, 46684635), (15, 28010781), (17, 24715395), (27, 15561545), (29, 14488335), (45, 9336927), (51, 8238465), (59, 7121385), (85, 4943079), (87, 4829445), (107, 3926745), (135, 3112309), (145, 2897667), (153, 2746155), (177, 2373795), (255, 1647693), (261, 1609815), (295, 1424277), (321, 1308915), (435, 965889), (459, 915385), (493, 852255), (531, 791265), (535, 785349), (765, 549231), (783, 536605), (885, 474759), (963, 436305), (1003, 418905), (1305, 321963), (1479, 284085), (1593, 263755), (1605, 261783), (1711, 245565), (1819, 230985), (2295, 183077), (2465, 170451), (2655, 158253), (2889, 145435), (3009, 139635), (3103, 135405), (3915, 107321), (4437, 94695), (4815, 87261), (5015, 83781), (5133, 81855), (5457, 76995), (6313, 66555), (7395, 56817), (7965, 52751), (8555, 49113), (9027, 46545), (9095, 46197), (9309, 45135), (13311, 31565), (14445, 29087), (15045, 27927), (15399, 27285), (15515, 27081), (16371, 25665), (18939, 22185)]