20957495280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:624

約数の個数: 320

約数和(自身を含む): 70129939968

約数和(自身を除く): 49172444688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 113, 120, 131, 136, 170, 204, 226, 240, 255, 262, 272, 339, 340, 347, 393, 408, 452, 510, 524, 565, 655, 678, 680, 694, 786, 816, 904, 1020, 1041, 1048, 1130, 1310, 1356, 1360, 1388, 1572, 1695, 1735, 1808, 1921, 1965, 2040, 2082, 2096, 2227, 2260, 2620, 2712, 2776, 3144, 3390, 3470, 3842, 3930, 4080, 4164, 4454, 4520, 5205, 5240, 5424, 5552, 5763, 5899, 6288, 6681, 6780, 6940, 7684, 7860, 8328, 8908, 9040, 9605, 10410, 10480, 11135, 11526, 11798, 13362, 13560, 13880, 14803, 15368, 15720, 16656, 17697, 17816, 19210, 20820, 22270, 23052, 23596, 26724, 27120, 27760, 28815, 29495, 29606, 30736, 31440, 33405, 35394, 35632, 38420, 39211, 41640, 44409, 44540, 45457, 46104, 47192, 53448, 57630, 58990, 59212, 66810, 70788, 74015, 76840, 78422, 83280, 88485, 88818, 89080, 90914, 92208, 94384, 106896, 115260, 117633, 117980, 118424, 133620, 136371, 141576, 148030, 153680, 156844, 176970, 177636, 178160, 181828, 196055, 222045, 227285, 230520, 235266, 235960, 236848, 251651, 267240, 272742, 283152, 296060, 313688, 353940, 355272, 363656, 392110, 444090, 454570, 461040, 470532, 471920, 503302, 534480, 545484, 588165, 592120, 627376, 666587, 681855, 707880, 710544, 727312, 754953, 772769, 784220, 888180, 909140, 941064, 1006604, 1090968, 1176330, 1184240, 1258255, 1333174, 1363710, 1415760, 1509906, 1545538, 1568440, 1776360, 1818280, 1882128, 1999761, 2013208, 2181936, 2318307, 2352660, 2516510, 2666348, 2727420, 3019812, 3091076, 3136880, 3332935, 3552720, 3636560, 3774765, 3863845, 3999522, 4026416, 4636614, 4705320, 5033020, 5136641, 5332696, 5454840, 6039624, 6182152, 6665870, 7549530, 7727690, 7999044, 9273228, 9410640, 9998805, 10066040, 10273282, 10665392, 10909680, 11591535, 12079248, 12364304, 13331740, 15099060, 15409923, 15455380, 15998088, 18546456, 19997610, 20132080, 20546564, 23183070, 25683205, 26663480, 30198120, 30819846, 30910760, 31996176, 37092912, 39995220, 41093128, 46366140, 51366410, 53326960, 60396240, 61639692, 61821520, 77049615, 79990440, 82186256, 87322897, 92732280, 102732820, 123279384, 154099230, 159980880, 174645794, 185464560, 205465640, 246558768, 261968691, 308198460, 349291588, 410931280, 436614485, 523937382, 616396920, 698583176, 873228970, 1047874764, 1232793840, 1309843455, 1397166352, 1746457940, 2095749528, 2619686910, 3492915880, 4191499056, 5239373820, 6985831760, 10478747640, 20957495280]

約数ペア:

[(1, 20957495280), (2, 10478747640), (3, 6985831760), (4, 5239373820), (5, 4191499056), (6, 3492915880), (8, 2619686910), (10, 2095749528), (12, 1746457940), (15, 1397166352), (16, 1309843455), (17, 1232793840), (20, 1047874764), (24, 873228970), (30, 698583176), (34, 616396920), (40, 523937382), (48, 436614485), (51, 410931280), (60, 349291588), (68, 308198460), (80, 261968691), (85, 246558768), (102, 205465640), (113, 185464560), (120, 174645794), (131, 159980880), (136, 154099230), (170, 123279384), (204, 102732820), (226, 92732280), (240, 87322897), (255, 82186256), (262, 79990440), (272, 77049615), (339, 61821520), (340, 61639692), (347, 60396240), (393, 53326960), (408, 51366410), (452, 46366140), (510, 41093128), (524, 39995220), (565, 37092912), (655, 31996176), (678, 30910760), (680, 30819846), (694, 30198120), (786, 26663480), (816, 25683205), (904, 23183070), (1020, 20546564), (1041, 20132080), (1048, 19997610), (1130, 18546456), (1310, 15998088), (1356, 15455380), (1360, 15409923), (1388, 15099060), (1572, 13331740), (1695, 12364304), (1735, 12079248), (1808, 11591535), (1921, 10909680), (1965, 10665392), (2040, 10273282), (2082, 10066040), (2096, 9998805), (2227, 9410640), (2260, 9273228), (2620, 7999044), (2712, 7727690), (2776, 7549530), (3144, 6665870), (3390, 6182152), (3470, 6039624), (3842, 5454840), (3930, 5332696), (4080, 5136641), (4164, 5033020), (4454, 4705320), (4520, 4636614), (5205, 4026416), (5240, 3999522), (5424, 3863845), (5552, 3774765), (5763, 3636560), (5899, 3552720), (6288, 3332935), (6681, 3136880), (6780, 3091076), (6940, 3019812), (7684, 2727420), (7860, 2666348), (8328, 2516510), (8908, 2352660), (9040, 2318307), (9605, 2181936), (10410, 2013208), (10480, 1999761), (11135, 1882128), (11526, 1818280), (11798, 1776360), (13362, 1568440), (13560, 1545538), (13880, 1509906), (14803, 1415760), (15368, 1363710), (15720, 1333174), (16656, 1258255), (17697, 1184240), (17816, 1176330), (19210, 1090968), (20820, 1006604), (22270, 941064), (23052, 909140), (23596, 888180), (26724, 784220), (27120, 772769), (27760, 754953), (28815, 727312), (29495, 710544), (29606, 707880), (30736, 681855), (31440, 666587), (33405, 627376), (35394, 592120), (35632, 588165), (38420, 545484), (39211, 534480), (41640, 503302), (44409, 471920), (44540, 470532), (45457, 461040), (46104, 454570), (47192, 444090), (53448, 392110), (57630, 363656), (58990, 355272), (59212, 353940), (66810, 313688), (70788, 296060), (74015, 283152), (76840, 272742), (78422, 267240), (83280, 251651), (88485, 236848), (88818, 235960), (89080, 235266), (90914, 230520), (92208, 227285), (94384, 222045), (106896, 196055), (115260, 181828), (117633, 178160), (117980, 177636), (118424, 176970), (133620, 156844), (136371, 153680), (141576, 148030)]