64870478680

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{248851}}^1$

素因数の和:248902

約数の個数: 128

約数和(自身を含む): 179173440000

約数和(自身を除く): 114302961320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 343, 380, 392, 490, 532, 665, 686, 760, 931, 980, 1064, 1330, 1372, 1715, 1862, 1960, 2660, 2744, 3430, 3724, 4655, 5320, 6517, 6860, 7448, 9310, 13034, 13720, 18620, 26068, 32585, 37240, 52136, 65170, 130340, 248851, 260680, 497702, 995404, 1244255, 1741957, 1990808, 2488510, 3483914, 4728169, 4977020, 6967828, 8709785, 9456338, 9954040, 12193699, 13935656, 17419570, 18912676, 23640845, 24387398, 33097183, 34839140, 37825352, 47281690, 48774796, 60968495, 66194366, 69678280, 85355893, 94563380, 97549592, 121936990, 132388732, 165485915, 170711786, 189126760, 231680281, 243873980, 264777464, 330971830, 341423572, 426779465, 463360562, 487747960, 661943660, 682847144, 853558930, 926721124, 1158401405, 1323887320, 1621761967, 1707117860, 1853442248, 2316802810, 3243523934, 3414235720, 4633605620, 6487047868, 8108809835, 9267211240, 12974095736, 16217619670, 32435239340, 64870478680]

約数ペア:

[(1, 64870478680), (2, 32435239340), (4, 16217619670), (5, 12974095736), (7, 9267211240), (8, 8108809835), (10, 6487047868), (14, 4633605620), (19, 3414235720), (20, 3243523934), (28, 2316802810), (35, 1853442248), (38, 1707117860), (40, 1621761967), (49, 1323887320), (56, 1158401405), (70, 926721124), (76, 853558930), (95, 682847144), (98, 661943660), (133, 487747960), (140, 463360562), (152, 426779465), (190, 341423572), (196, 330971830), (245, 264777464), (266, 243873980), (280, 231680281), (343, 189126760), (380, 170711786), (392, 165485915), (490, 132388732), (532, 121936990), (665, 97549592), (686, 94563380), (760, 85355893), (931, 69678280), (980, 66194366), (1064, 60968495), (1330, 48774796), (1372, 47281690), (1715, 37825352), (1862, 34839140), (1960, 33097183), (2660, 24387398), (2744, 23640845), (3430, 18912676), (3724, 17419570), (4655, 13935656), (5320, 12193699), (6517, 9954040), (6860, 9456338), (7448, 8709785), (9310, 6967828), (13034, 4977020), (13720, 4728169), (18620, 3483914), (26068, 2488510), (32585, 1990808), (37240, 1741957), (52136, 1244255), (65170, 995404), (130340, 497702), (248851, 260680)]