2021020120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 256

約数和(自身を含む): 5806080000

約数和(自身を除く): 3785059880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 83, 92, 95, 115, 133, 140, 152, 161, 166, 184, 190, 199, 230, 266, 280, 322, 332, 380, 398, 415, 437, 460, 532, 581, 644, 664, 665, 760, 796, 805, 830, 874, 920, 995, 1064, 1162, 1288, 1330, 1393, 1577, 1592, 1610, 1660, 1748, 1909, 1990, 2185, 2324, 2660, 2786, 2905, 3059, 3154, 3220, 3320, 3496, 3781, 3818, 3980, 4370, 4577, 4648, 5320, 5572, 5810, 6118, 6308, 6440, 6965, 7562, 7636, 7885, 7960, 8740, 9154, 9545, 11039, 11144, 11620, 12236, 12616, 13363, 13930, 15124, 15272, 15295, 15770, 16517, 17480, 18308, 18905, 19090, 22078, 22885, 23240, 24472, 26467, 26726, 27860, 30248, 30590, 31540, 32039, 33034, 36271, 36616, 37810, 38180, 44156, 45770, 52934, 53452, 55195, 55720, 61180, 63080, 64078, 66068, 66815, 72542, 75620, 76360, 82585, 86963, 88312, 91540, 105868, 106904, 110390, 115619, 122360, 128156, 132136, 132335, 133630, 145084, 151240, 160195, 165170, 173926, 181355, 183080, 211736, 220780, 231238, 253897, 256312, 264670, 267260, 290168, 313823, 320390, 330340, 347852, 362710, 379891, 434815, 441560, 462476, 507794, 529340, 534520, 578095, 608741, 627646, 640780, 660680, 695704, 725420, 759782, 869630, 924952, 1015588, 1058680, 1156190, 1217482, 1255292, 1269485, 1281560, 1450840, 1519564, 1569115, 1739260, 1899455, 2031176, 2196761, 2312380, 2434964, 2510584, 2538970, 2659237, 3039128, 3043705, 3138230, 3478520, 3798910, 4393522, 4624760, 4869928, 5077940, 5318474, 6087410, 6276460, 7217929, 7597820, 8787044, 10155880, 10636948, 10983805, 12174820, 12552920, 13296185, 14435858, 15195640, 17574088, 21273896, 21967610, 24349640, 26592370, 28871716, 36089645, 43935220, 50525503, 53184740, 57743432, 72179290, 87870440, 101051006, 106369480, 144358580, 202102012, 252627515, 288717160, 404204024, 505255030, 1010510060, 2021020120]

約数ペア:

[(1, 2021020120), (2, 1010510060), (4, 505255030), (5, 404204024), (7, 288717160), (8, 252627515), (10, 202102012), (14, 144358580), (19, 106369480), (20, 101051006), (23, 87870440), (28, 72179290), (35, 57743432), (38, 53184740), (40, 50525503), (46, 43935220), (56, 36089645), (70, 28871716), (76, 26592370), (83, 24349640), (92, 21967610), (95, 21273896), (115, 17574088), (133, 15195640), (140, 14435858), (152, 13296185), (161, 12552920), (166, 12174820), (184, 10983805), (190, 10636948), (199, 10155880), (230, 8787044), (266, 7597820), (280, 7217929), (322, 6276460), (332, 6087410), (380, 5318474), (398, 5077940), (415, 4869928), (437, 4624760), (460, 4393522), (532, 3798910), (581, 3478520), (644, 3138230), (664, 3043705), (665, 3039128), (760, 2659237), (796, 2538970), (805, 2510584), (830, 2434964), (874, 2312380), (920, 2196761), (995, 2031176), (1064, 1899455), (1162, 1739260), (1288, 1569115), (1330, 1519564), (1393, 1450840), (1577, 1281560), (1592, 1269485), (1610, 1255292), (1660, 1217482), (1748, 1156190), (1909, 1058680), (1990, 1015588), (2185, 924952), (2324, 869630), (2660, 759782), (2786, 725420), (2905, 695704), (3059, 660680), (3154, 640780), (3220, 627646), (3320, 608741), (3496, 578095), (3781, 534520), (3818, 529340), (3980, 507794), (4370, 462476), (4577, 441560), (4648, 434815), (5320, 379891), (5572, 362710), (5810, 347852), (6118, 330340), (6308, 320390), (6440, 313823), (6965, 290168), (7562, 267260), (7636, 264670), (7885, 256312), (7960, 253897), (8740, 231238), (9154, 220780), (9545, 211736), (11039, 183080), (11144, 181355), (11620, 173926), (12236, 165170), (12616, 160195), (13363, 151240), (13930, 145084), (15124, 133630), (15272, 132335), (15295, 132136), (15770, 128156), (16517, 122360), (17480, 115619), (18308, 110390), (18905, 106904), (19090, 105868), (22078, 91540), (22885, 88312), (23240, 86963), (24472, 82585), (26467, 76360), (26726, 75620), (27860, 72542), (30248, 66815), (30590, 66068), (31540, 64078), (32039, 63080), (33034, 61180), (36271, 55720), (36616, 55195), (37810, 53452), (38180, 52934), (44156, 45770)]