491501520

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:352

約数の個数: 240

約数和(自身を含む): 1733764032

約数和(自身を除く): 1242262512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 131, 135, 144, 162, 180, 193, 216, 240, 243, 262, 270, 324, 360, 386, 393, 405, 432, 486, 524, 540, 579, 648, 655, 720, 772, 786, 810, 965, 972, 1048, 1080, 1158, 1179, 1215, 1296, 1310, 1544, 1572, 1620, 1737, 1930, 1944, 1965, 2096, 2160, 2316, 2358, 2430, 2620, 2895, 3088, 3144, 3240, 3474, 3537, 3860, 3888, 3930, 4632, 4716, 4860, 5211, 5240, 5790, 5895, 6288, 6480, 6948, 7074, 7720, 7860, 8685, 9264, 9432, 9720, 10422, 10480, 10611, 11580, 11790, 13896, 14148, 15440, 15633, 15720, 17370, 17685, 18864, 19440, 20844, 21222, 23160, 23580, 25283, 26055, 27792, 28296, 31266, 31440, 31833, 34740, 35370, 41688, 42444, 46320, 46899, 47160, 50566, 52110, 53055, 56592, 62532, 63666, 69480, 70740, 75849, 78165, 83376, 84888, 93798, 94320, 101132, 104220, 106110, 125064, 126415, 127332, 138960, 141480, 151698, 156330, 159165, 169776, 187596, 202264, 208440, 212220, 227547, 234495, 250128, 252830, 254664, 282960, 303396, 312660, 318330, 375192, 379245, 404528, 416880, 424440, 455094, 468990, 505660, 509328, 606792, 625320, 636660, 682641, 750384, 758490, 848880, 910188, 937980, 1011320, 1137735, 1213584, 1250640, 1273320, 1365282, 1516980, 1820376, 1875960, 2022640, 2047923, 2275470, 2546640, 2730564, 3033960, 3413205, 3640752, 3751920, 4095846, 4550940, 5461128, 6067920, 6143769, 6826410, 8191692, 9101880, 10239615, 10922256, 12287538, 13652820, 16383384, 18203760, 20479230, 24575076, 27305640, 30718845, 32766768, 40958460, 49150152, 54611280, 61437690, 81916920, 98300304, 122875380, 163833840, 245750760, 491501520]

約数ペア:

[(1, 491501520), (2, 245750760), (3, 163833840), (4, 122875380), (5, 98300304), (6, 81916920), (8, 61437690), (9, 54611280), (10, 49150152), (12, 40958460), (15, 32766768), (16, 30718845), (18, 27305640), (20, 24575076), (24, 20479230), (27, 18203760), (30, 16383384), (36, 13652820), (40, 12287538), (45, 10922256), (48, 10239615), (54, 9101880), (60, 8191692), (72, 6826410), (80, 6143769), (81, 6067920), (90, 5461128), (108, 4550940), (120, 4095846), (131, 3751920), (135, 3640752), (144, 3413205), (162, 3033960), (180, 2730564), (193, 2546640), (216, 2275470), (240, 2047923), (243, 2022640), (262, 1875960), (270, 1820376), (324, 1516980), (360, 1365282), (386, 1273320), (393, 1250640), (405, 1213584), (432, 1137735), (486, 1011320), (524, 937980), (540, 910188), (579, 848880), (648, 758490), (655, 750384), (720, 682641), (772, 636660), (786, 625320), (810, 606792), (965, 509328), (972, 505660), (1048, 468990), (1080, 455094), (1158, 424440), (1179, 416880), (1215, 404528), (1296, 379245), (1310, 375192), (1544, 318330), (1572, 312660), (1620, 303396), (1737, 282960), (1930, 254664), (1944, 252830), (1965, 250128), (2096, 234495), (2160, 227547), (2316, 212220), (2358, 208440), (2430, 202264), (2620, 187596), (2895, 169776), (3088, 159165), (3144, 156330), (3240, 151698), (3474, 141480), (3537, 138960), (3860, 127332), (3888, 126415), (3930, 125064), (4632, 106110), (4716, 104220), (4860, 101132), (5211, 94320), (5240, 93798), (5790, 84888), (5895, 83376), (6288, 78165), (6480, 75849), (6948, 70740), (7074, 69480), (7720, 63666), (7860, 62532), (8685, 56592), (9264, 53055), (9432, 52110), (9720, 50566), (10422, 47160), (10480, 46899), (10611, 46320), (11580, 42444), (11790, 41688), (13896, 35370), (14148, 34740), (15440, 31833), (15633, 31440), (15720, 31266), (17370, 28296), (17685, 27792), (18864, 26055), (19440, 25283), (20844, 23580), (21222, 23160)]