20329185280

素因数分解:

$2^{14}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:442

約数の個数: 240

約数和(自身を含む): 52893802080

約数和(自身を除く): 32564616800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 128, 148, 152, 160, 185, 190, 256, 296, 304, 320, 353, 370, 380, 512, 592, 608, 640, 703, 706, 740, 760, 1024, 1184, 1216, 1280, 1406, 1412, 1480, 1520, 1765, 2048, 2368, 2432, 2560, 2812, 2824, 2960, 3040, 3515, 3530, 4096, 4736, 4864, 5120, 5624, 5648, 5920, 6080, 6707, 7030, 7060, 8192, 9472, 9728, 10240, 11248, 11296, 11840, 12160, 13061, 13414, 14060, 14120, 16384, 18944, 19456, 20480, 22496, 22592, 23680, 24320, 26122, 26828, 28120, 28240, 33535, 37888, 38912, 40960, 44992, 45184, 47360, 48640, 52244, 53656, 56240, 56480, 65305, 67070, 75776, 77824, 81920, 89984, 90368, 94720, 97280, 104488, 107312, 112480, 112960, 130610, 134140, 151552, 155648, 179968, 180736, 189440, 194560, 208976, 214624, 224960, 225920, 248159, 261220, 268280, 303104, 311296, 359936, 361472, 378880, 389120, 417952, 429248, 449920, 451840, 496318, 522440, 536560, 606208, 719872, 722944, 757760, 778240, 835904, 858496, 899840, 903680, 992636, 1044880, 1073120, 1240795, 1439744, 1445888, 1515520, 1556480, 1671808, 1716992, 1799680, 1807360, 1985272, 2089760, 2146240, 2481590, 2879488, 2891776, 3031040, 3343616, 3433984, 3599360, 3614720, 3970544, 4179520, 4292480, 4963180, 5758976, 5783552, 6687232, 6867968, 7198720, 7229440, 7941088, 8359040, 8584960, 9926360, 11517952, 13374464, 13735936, 14397440, 14458880, 15882176, 16718080, 17169920, 19852720, 26748928, 27471872, 28794880, 28917760, 31764352, 33436160, 34339840, 39705440, 53497856, 54943744, 57589760, 63528704, 66872320, 68679680, 79410880, 106995712, 109887488, 127057408, 133744640, 137359360, 158821760, 213991424, 254114816, 267489280, 274718720, 317643520, 508229632, 534978560, 549437440, 635287040, 1016459264, 1069957120, 1270574080, 2032918528, 2541148160, 4065837056, 5082296320, 10164592640, 20329185280]

約数ペア:

[(1, 20329185280), (2, 10164592640), (4, 5082296320), (5, 4065837056), (8, 2541148160), (10, 2032918528), (16, 1270574080), (19, 1069957120), (20, 1016459264), (32, 635287040), (37, 549437440), (38, 534978560), (40, 508229632), (64, 317643520), (74, 274718720), (76, 267489280), (80, 254114816), (95, 213991424), (128, 158821760), (148, 137359360), (152, 133744640), (160, 127057408), (185, 109887488), (190, 106995712), (256, 79410880), (296, 68679680), (304, 66872320), (320, 63528704), (353, 57589760), (370, 54943744), (380, 53497856), (512, 39705440), (592, 34339840), (608, 33436160), (640, 31764352), (703, 28917760), (706, 28794880), (740, 27471872), (760, 26748928), (1024, 19852720), (1184, 17169920), (1216, 16718080), (1280, 15882176), (1406, 14458880), (1412, 14397440), (1480, 13735936), (1520, 13374464), (1765, 11517952), (2048, 9926360), (2368, 8584960), (2432, 8359040), (2560, 7941088), (2812, 7229440), (2824, 7198720), (2960, 6867968), (3040, 6687232), (3515, 5783552), (3530, 5758976), (4096, 4963180), (4736, 4292480), (4864, 4179520), (5120, 3970544), (5624, 3614720), (5648, 3599360), (5920, 3433984), (6080, 3343616), (6707, 3031040), (7030, 2891776), (7060, 2879488), (8192, 2481590), (9472, 2146240), (9728, 2089760), (10240, 1985272), (11248, 1807360), (11296, 1799680), (11840, 1716992), (12160, 1671808), (13061, 1556480), (13414, 1515520), (14060, 1445888), (14120, 1439744), (16384, 1240795), (18944, 1073120), (19456, 1044880), (20480, 992636), (22496, 903680), (22592, 899840), (23680, 858496), (24320, 835904), (26122, 778240), (26828, 757760), (28120, 722944), (28240, 719872), (33535, 606208), (37888, 536560), (38912, 522440), (40960, 496318), (44992, 451840), (45184, 449920), (47360, 429248), (48640, 417952), (52244, 389120), (53656, 378880), (56240, 361472), (56480, 359936), (65305, 311296), (67070, 303104), (75776, 268280), (77824, 261220), (81920, 248159), (89984, 225920), (90368, 224960), (94720, 214624), (97280, 208976), (104488, 194560), (107312, 189440), (112480, 180736), (112960, 179968), (130610, 155648), (134140, 151552)]