18205843880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:508

約数の個数: 256

約数和(自身を含む): 49704192000

約数和(自身を除く): 31498348120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 79, 101, 116, 140, 145, 158, 202, 203, 232, 280, 281, 290, 316, 395, 404, 406, 505, 553, 562, 580, 632, 707, 790, 808, 812, 1010, 1015, 1106, 1124, 1160, 1405, 1414, 1580, 1624, 1967, 2020, 2030, 2212, 2248, 2291, 2765, 2810, 2828, 2929, 3160, 3535, 3934, 4040, 4060, 4424, 4582, 5530, 5620, 5656, 5858, 7070, 7868, 7979, 8120, 8149, 9164, 9835, 11060, 11240, 11455, 11716, 14140, 14645, 15736, 15958, 16037, 16298, 18328, 19670, 20503, 22120, 22199, 22910, 23432, 28280, 28381, 29290, 31916, 32074, 32596, 39340, 39895, 40745, 41006, 44398, 45820, 55853, 56762, 57043, 58580, 63832, 64148, 65192, 78680, 79790, 80185, 81490, 82012, 88796, 91640, 102515, 110995, 111706, 113524, 114086, 117160, 128296, 141905, 155393, 159580, 160370, 162980, 164024, 177592, 198667, 205030, 221990, 223412, 227048, 228172, 231391, 279265, 283810, 285215, 310786, 319160, 320740, 325960, 397334, 410060, 443980, 446824, 456344, 462782, 558530, 567620, 570430, 621572, 641480, 643771, 776965, 794668, 820120, 823049, 887960, 925564, 993335, 1117060, 1135240, 1140860, 1156955, 1243144, 1287542, 1553930, 1589336, 1619737, 1646098, 1851128, 1986670, 2234120, 2242099, 2281720, 2313910, 2575084, 3107860, 3218855, 3239474, 3292196, 3973340, 4115245, 4484198, 4506397, 4627820, 5150168, 5761343, 6215720, 6437710, 6478948, 6584392, 7946680, 8098685, 8230490, 8968396, 9012794, 9255640, 11210495, 11522686, 12875420, 12957896, 15694693, 16197370, 16460980, 17936792, 18025588, 22420990, 22531985, 23045372, 25750840, 28806715, 31389386, 32394740, 32921960, 36051176, 44841980, 45063970, 46090744, 57613430, 62778772, 64789480, 65020871, 78473465, 89683960, 90127940, 115226860, 125557544, 130041742, 156946930, 180255880, 230453720, 260083484, 313893860, 325104355, 455146097, 520166968, 627787720, 650208710, 910292194, 1300417420, 1820584388, 2275730485, 2600834840, 3641168776, 4551460970, 9102921940, 18205843880]

約数ペア:

[(1, 18205843880), (2, 9102921940), (4, 4551460970), (5, 3641168776), (7, 2600834840), (8, 2275730485), (10, 1820584388), (14, 1300417420), (20, 910292194), (28, 650208710), (29, 627787720), (35, 520166968), (40, 455146097), (56, 325104355), (58, 313893860), (70, 260083484), (79, 230453720), (101, 180255880), (116, 156946930), (140, 130041742), (145, 125557544), (158, 115226860), (202, 90127940), (203, 89683960), (232, 78473465), (280, 65020871), (281, 64789480), (290, 62778772), (316, 57613430), (395, 46090744), (404, 45063970), (406, 44841980), (505, 36051176), (553, 32921960), (562, 32394740), (580, 31389386), (632, 28806715), (707, 25750840), (790, 23045372), (808, 22531985), (812, 22420990), (1010, 18025588), (1015, 17936792), (1106, 16460980), (1124, 16197370), (1160, 15694693), (1405, 12957896), (1414, 12875420), (1580, 11522686), (1624, 11210495), (1967, 9255640), (2020, 9012794), (2030, 8968396), (2212, 8230490), (2248, 8098685), (2291, 7946680), (2765, 6584392), (2810, 6478948), (2828, 6437710), (2929, 6215720), (3160, 5761343), (3535, 5150168), (3934, 4627820), (4040, 4506397), (4060, 4484198), (4424, 4115245), (4582, 3973340), (5530, 3292196), (5620, 3239474), (5656, 3218855), (5858, 3107860), (7070, 2575084), (7868, 2313910), (7979, 2281720), (8120, 2242099), (8149, 2234120), (9164, 1986670), (9835, 1851128), (11060, 1646098), (11240, 1619737), (11455, 1589336), (11716, 1553930), (14140, 1287542), (14645, 1243144), (15736, 1156955), (15958, 1140860), (16037, 1135240), (16298, 1117060), (18328, 993335), (19670, 925564), (20503, 887960), (22120, 823049), (22199, 820120), (22910, 794668), (23432, 776965), (28280, 643771), (28381, 641480), (29290, 621572), (31916, 570430), (32074, 567620), (32596, 558530), (39340, 462782), (39895, 456344), (40745, 446824), (41006, 443980), (44398, 410060), (45820, 397334), (55853, 325960), (56762, 320740), (57043, 319160), (58580, 310786), (63832, 285215), (64148, 283810), (65192, 279265), (78680, 231391), (79790, 228172), (80185, 227048), (81490, 223412), (82012, 221990), (88796, 205030), (91640, 198667), (102515, 177592), (110995, 164024), (111706, 162980), (113524, 160370), (114086, 159580), (117160, 155393), (128296, 141905)]