28016120016

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1009}}^1$

素因数の和:1222

約数の個数: 240

約数和(自身を含む): 83278338000

約数和(自身を除く): 55262217984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 61, 72, 87, 109, 116, 122, 144, 174, 183, 218, 232, 244, 261, 327, 348, 366, 436, 464, 488, 522, 549, 654, 696, 732, 872, 976, 981, 1009, 1044, 1098, 1308, 1392, 1464, 1744, 1769, 1962, 2018, 2088, 2196, 2616, 2928, 3027, 3161, 3538, 3924, 4036, 4176, 4392, 5232, 5307, 6054, 6322, 6649, 7076, 7848, 8072, 8784, 9081, 9483, 10614, 12108, 12644, 13298, 14152, 15696, 15921, 16144, 18162, 18966, 19947, 21228, 24216, 25288, 26596, 28304, 28449, 29261, 31842, 36324, 37932, 39894, 42456, 48432, 50576, 53192, 56898, 58522, 59841, 61549, 63684, 72648, 75864, 79788, 84912, 87783, 106384, 109981, 113796, 117044, 119682, 123098, 127368, 145296, 151728, 159576, 175566, 184647, 192821, 219962, 227592, 234088, 239364, 246196, 254736, 263349, 319152, 329943, 351132, 369294, 385642, 439924, 455184, 468176, 478728, 492392, 526698, 553941, 578463, 659886, 702264, 738588, 771284, 879848, 957456, 984784, 989829, 1053396, 1107882, 1156926, 1319772, 1404528, 1477176, 1542568, 1735389, 1759696, 1784921, 1979658, 2106792, 2215764, 2313852, 2639544, 2954352, 3085136, 3189449, 3470778, 3569842, 3959316, 4213584, 4431528, 4627704, 5279088, 5354763, 6378898, 6708841, 6941556, 7139684, 7918632, 8863056, 9255408, 9568347, 10709526, 12757796, 13417682, 13883112, 14279368, 15837264, 16064289, 19136694, 20126523, 21419052, 25515592, 26835364, 27766224, 28558736, 28705041, 32128578, 38273388, 40253046, 42838104, 51031184, 53670728, 57410082, 60379569, 64257156, 76546776, 80506092, 85676208, 107341456, 114820164, 120759138, 128514312, 153093552, 161012184, 194556389, 229640328, 241518276, 257028624, 322024368, 389112778, 459280656, 483036552, 583669167, 778225556, 966073104, 1167338334, 1556451112, 1751007501, 2334676668, 3112902224, 3502015002, 4669353336, 7004030004, 9338706672, 14008060008, 28016120016]

約数ペア:

[(1, 28016120016), (2, 14008060008), (3, 9338706672), (4, 7004030004), (6, 4669353336), (8, 3502015002), (9, 3112902224), (12, 2334676668), (16, 1751007501), (18, 1556451112), (24, 1167338334), (29, 966073104), (36, 778225556), (48, 583669167), (58, 483036552), (61, 459280656), (72, 389112778), (87, 322024368), (109, 257028624), (116, 241518276), (122, 229640328), (144, 194556389), (174, 161012184), (183, 153093552), (218, 128514312), (232, 120759138), (244, 114820164), (261, 107341456), (327, 85676208), (348, 80506092), (366, 76546776), (436, 64257156), (464, 60379569), (488, 57410082), (522, 53670728), (549, 51031184), (654, 42838104), (696, 40253046), (732, 38273388), (872, 32128578), (976, 28705041), (981, 28558736), (1009, 27766224), (1044, 26835364), (1098, 25515592), (1308, 21419052), (1392, 20126523), (1464, 19136694), (1744, 16064289), (1769, 15837264), (1962, 14279368), (2018, 13883112), (2088, 13417682), (2196, 12757796), (2616, 10709526), (2928, 9568347), (3027, 9255408), (3161, 8863056), (3538, 7918632), (3924, 7139684), (4036, 6941556), (4176, 6708841), (4392, 6378898), (5232, 5354763), (5307, 5279088), (6054, 4627704), (6322, 4431528), (6649, 4213584), (7076, 3959316), (7848, 3569842), (8072, 3470778), (8784, 3189449), (9081, 3085136), (9483, 2954352), (10614, 2639544), (12108, 2313852), (12644, 2215764), (13298, 2106792), (14152, 1979658), (15696, 1784921), (15921, 1759696), (16144, 1735389), (18162, 1542568), (18966, 1477176), (19947, 1404528), (21228, 1319772), (24216, 1156926), (25288, 1107882), (26596, 1053396), (28304, 989829), (28449, 984784), (29261, 957456), (31842, 879848), (36324, 771284), (37932, 738588), (39894, 702264), (42456, 659886), (48432, 578463), (50576, 553941), (53192, 526698), (56898, 492392), (58522, 478728), (59841, 468176), (61549, 455184), (63684, 439924), (72648, 385642), (75864, 369294), (79788, 351132), (84912, 329943), (87783, 319152), (106384, 263349), (109981, 254736), (113796, 246196), (117044, 239364), (119682, 234088), (123098, 227592), (127368, 219962), (145296, 192821), (151728, 184647), (159576, 175566)]