20172583480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:646

約数の個数: 256

約数和(自身を含む): 55922688000

約数和(自身を除く): 35750104520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 73, 76, 95, 127, 133, 140, 146, 152, 190, 254, 266, 280, 292, 365, 380, 409, 508, 511, 532, 584, 635, 665, 730, 760, 818, 889, 1016, 1022, 1064, 1270, 1330, 1387, 1460, 1636, 1778, 2044, 2045, 2413, 2540, 2555, 2660, 2774, 2863, 2920, 3272, 3556, 4088, 4090, 4445, 4826, 5080, 5110, 5320, 5548, 5726, 6935, 7112, 7771, 8180, 8890, 9271, 9652, 9709, 10220, 11096, 11452, 12065, 13870, 14315, 15542, 16360, 16891, 17780, 18542, 19304, 19418, 20440, 22904, 24130, 27740, 28630, 29857, 31084, 33782, 35560, 37084, 38836, 38855, 46355, 48260, 48545, 51943, 54397, 55480, 57260, 59714, 62168, 64897, 67564, 74168, 77672, 77710, 84455, 92710, 96520, 97090, 103886, 108794, 114520, 119428, 129794, 135128, 149285, 155420, 168910, 176149, 185420, 194180, 207772, 208999, 217588, 238856, 259588, 259715, 271985, 298570, 310840, 324485, 337820, 352298, 363601, 370840, 388360, 415544, 417998, 435176, 519176, 519430, 543970, 567283, 597140, 648970, 675640, 704596, 727202, 835996, 880745, 986917, 1038860, 1044995, 1087940, 1134566, 1194280, 1233043, 1297940, 1409192, 1454404, 1671992, 1761490, 1818005, 1973834, 2077720, 2089990, 2175880, 2269132, 2466086, 2595880, 2836415, 2908808, 3522980, 3636010, 3791839, 3947668, 3970981, 4179980, 4538264, 4932172, 4934585, 5672830, 6165215, 6908419, 7045960, 7272020, 7583678, 7895336, 7941962, 8359960, 9864344, 9869170, 11345660, 12330430, 13816838, 14544040, 15167356, 15883924, 18959195, 19738340, 19854905, 22691320, 24660860, 26542873, 27633676, 30334712, 31767848, 34542095, 37918390, 39476680, 39709810, 49321720, 53085746, 55267352, 69084190, 72044941, 75836780, 79419620, 106171492, 132714365, 138168380, 144089882, 151673560, 158839240, 212342984, 265428730, 276336760, 288179764, 360224705, 504314587, 530857460, 576359528, 720449410, 1008629174, 1061714920, 1440898820, 2017258348, 2521572935, 2881797640, 4034516696, 5043145870, 10086291740, 20172583480]

約数ペア:

[(1, 20172583480), (2, 10086291740), (4, 5043145870), (5, 4034516696), (7, 2881797640), (8, 2521572935), (10, 2017258348), (14, 1440898820), (19, 1061714920), (20, 1008629174), (28, 720449410), (35, 576359528), (38, 530857460), (40, 504314587), (56, 360224705), (70, 288179764), (73, 276336760), (76, 265428730), (95, 212342984), (127, 158839240), (133, 151673560), (140, 144089882), (146, 138168380), (152, 132714365), (190, 106171492), (254, 79419620), (266, 75836780), (280, 72044941), (292, 69084190), (365, 55267352), (380, 53085746), (409, 49321720), (508, 39709810), (511, 39476680), (532, 37918390), (584, 34542095), (635, 31767848), (665, 30334712), (730, 27633676), (760, 26542873), (818, 24660860), (889, 22691320), (1016, 19854905), (1022, 19738340), (1064, 18959195), (1270, 15883924), (1330, 15167356), (1387, 14544040), (1460, 13816838), (1636, 12330430), (1778, 11345660), (2044, 9869170), (2045, 9864344), (2413, 8359960), (2540, 7941962), (2555, 7895336), (2660, 7583678), (2774, 7272020), (2863, 7045960), (2920, 6908419), (3272, 6165215), (3556, 5672830), (4088, 4934585), (4090, 4932172), (4445, 4538264), (4826, 4179980), (5080, 3970981), (5110, 3947668), (5320, 3791839), (5548, 3636010), (5726, 3522980), (6935, 2908808), (7112, 2836415), (7771, 2595880), (8180, 2466086), (8890, 2269132), (9271, 2175880), (9652, 2089990), (9709, 2077720), (10220, 1973834), (11096, 1818005), (11452, 1761490), (12065, 1671992), (13870, 1454404), (14315, 1409192), (15542, 1297940), (16360, 1233043), (16891, 1194280), (17780, 1134566), (18542, 1087940), (19304, 1044995), (19418, 1038860), (20440, 986917), (22904, 880745), (24130, 835996), (27740, 727202), (28630, 704596), (29857, 675640), (31084, 648970), (33782, 597140), (35560, 567283), (37084, 543970), (38836, 519430), (38855, 519176), (46355, 435176), (48260, 417998), (48545, 415544), (51943, 388360), (54397, 370840), (55480, 363601), (57260, 352298), (59714, 337820), (62168, 324485), (64897, 310840), (67564, 298570), (74168, 271985), (77672, 259715), (77710, 259588), (84455, 238856), (92710, 217588), (96520, 208999), (97090, 207772), (103886, 194180), (108794, 185420), (114520, 176149), (119428, 168910), (129794, 155420), (135128, 149285)]