20320989440

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2137}}^1$

素因数の和:2217

約数の個数: 288

約数和(自身を含む): 56636133120

約数和(自身を除く): 36315143680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 23, 32, 34, 38, 40, 46, 64, 68, 76, 80, 85, 92, 95, 115, 128, 136, 152, 160, 170, 184, 190, 230, 256, 272, 304, 320, 323, 340, 368, 380, 391, 437, 460, 544, 608, 640, 646, 680, 736, 760, 782, 874, 920, 1088, 1216, 1280, 1292, 1360, 1472, 1520, 1564, 1615, 1748, 1840, 1955, 2137, 2176, 2185, 2432, 2584, 2720, 2944, 3040, 3128, 3230, 3496, 3680, 3910, 4274, 4352, 4370, 4864, 5168, 5440, 5888, 6080, 6256, 6460, 6992, 7360, 7429, 7820, 8548, 8740, 10336, 10685, 10880, 12160, 12512, 12920, 13984, 14720, 14858, 15640, 17096, 17480, 20672, 21370, 21760, 24320, 25024, 25840, 27968, 29440, 29716, 31280, 34192, 34960, 36329, 37145, 40603, 41344, 42740, 49151, 50048, 51680, 55936, 59432, 62560, 68384, 69920, 72658, 74290, 81206, 82688, 85480, 98302, 100096, 103360, 111872, 118864, 125120, 136768, 139840, 145316, 148580, 162412, 170960, 181645, 196604, 203015, 206720, 237728, 245755, 250240, 273536, 279680, 290632, 297160, 324824, 341920, 363290, 393208, 406030, 413440, 475456, 491510, 500480, 547072, 559360, 581264, 594320, 649648, 683840, 690251, 726580, 786416, 812060, 835567, 933869, 950912, 983020, 1162528, 1188640, 1299296, 1367680, 1380502, 1453160, 1572832, 1624120, 1671134, 1867738, 1901824, 1966040, 2325056, 2377280, 2598592, 2735360, 2761004, 2906320, 3145664, 3248240, 3342268, 3451255, 3735476, 3932080, 4177835, 4650112, 4669345, 4754560, 5197184, 5522008, 5812640, 6291328, 6496480, 6684536, 6902510, 7470952, 7864160, 8355670, 9300224, 9338690, 9509120, 10394368, 11044016, 11625280, 12582656, 12992960, 13369072, 13805020, 14941904, 15728320, 15875773, 16711340, 18677380, 22088032, 23250560, 25985920, 26738144, 27610040, 29883808, 31456640, 31751546, 33422680, 37354760, 44176064, 46501120, 51971840, 53476288, 55220080, 59767616, 62913280, 63503092, 66845360, 74709520, 79378865, 88352128, 106952576, 110440160, 119535232, 127006184, 133690720, 149419040, 158757730, 176704256, 213905152, 220880320, 239070464, 254012368, 267381440, 298838080, 317515460, 441760640, 508024736, 534762880, 597676160, 635030920, 883521280, 1016049472, 1069525760, 1195352320, 1270061840, 2032098944, 2540123680, 4064197888, 5080247360, 10160494720, 20320989440]

約数ペア:

[(1, 20320989440), (2, 10160494720), (4, 5080247360), (5, 4064197888), (8, 2540123680), (10, 2032098944), (16, 1270061840), (17, 1195352320), (19, 1069525760), (20, 1016049472), (23, 883521280), (32, 635030920), (34, 597676160), (38, 534762880), (40, 508024736), (46, 441760640), (64, 317515460), (68, 298838080), (76, 267381440), (80, 254012368), (85, 239070464), (92, 220880320), (95, 213905152), (115, 176704256), (128, 158757730), (136, 149419040), (152, 133690720), (160, 127006184), (170, 119535232), (184, 110440160), (190, 106952576), (230, 88352128), (256, 79378865), (272, 74709520), (304, 66845360), (320, 63503092), (323, 62913280), (340, 59767616), (368, 55220080), (380, 53476288), (391, 51971840), (437, 46501120), (460, 44176064), (544, 37354760), (608, 33422680), (640, 31751546), (646, 31456640), (680, 29883808), (736, 27610040), (760, 26738144), (782, 25985920), (874, 23250560), (920, 22088032), (1088, 18677380), (1216, 16711340), (1280, 15875773), (1292, 15728320), (1360, 14941904), (1472, 13805020), (1520, 13369072), (1564, 12992960), (1615, 12582656), (1748, 11625280), (1840, 11044016), (1955, 10394368), (2137, 9509120), (2176, 9338690), (2185, 9300224), (2432, 8355670), (2584, 7864160), (2720, 7470952), (2944, 6902510), (3040, 6684536), (3128, 6496480), (3230, 6291328), (3496, 5812640), (3680, 5522008), (3910, 5197184), (4274, 4754560), (4352, 4669345), (4370, 4650112), (4864, 4177835), (5168, 3932080), (5440, 3735476), (5888, 3451255), (6080, 3342268), (6256, 3248240), (6460, 3145664), (6992, 2906320), (7360, 2761004), (7429, 2735360), (7820, 2598592), (8548, 2377280), (8740, 2325056), (10336, 1966040), (10685, 1901824), (10880, 1867738), (12160, 1671134), (12512, 1624120), (12920, 1572832), (13984, 1453160), (14720, 1380502), (14858, 1367680), (15640, 1299296), (17096, 1188640), (17480, 1162528), (20672, 983020), (21370, 950912), (21760, 933869), (24320, 835567), (25024, 812060), (25840, 786416), (27968, 726580), (29440, 690251), (29716, 683840), (31280, 649648), (34192, 594320), (34960, 581264), (36329, 559360), (37145, 547072), (40603, 500480), (41344, 491510), (42740, 475456), (49151, 413440), (50048, 406030), (51680, 393208), (55936, 363290), (59432, 341920), (62560, 324824), (68384, 297160), (69920, 290632), (72658, 279680), (74290, 273536), (81206, 250240), (82688, 245755), (85480, 237728), (98302, 206720), (100096, 203015), (103360, 196604), (111872, 181645), (118864, 170960), (125120, 162412), (136768, 148580), (139840, 145316)]