20512670040

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28909}}^1$

素因数の和:29008

約数の個数: 192

約数和(自身を含む): 70084778400

約数和(自身を除く): 49572108360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 73, 81, 90, 108, 120, 135, 146, 162, 180, 216, 219, 243, 270, 292, 324, 360, 365, 405, 438, 486, 540, 584, 648, 657, 730, 810, 876, 972, 1080, 1095, 1215, 1314, 1460, 1620, 1752, 1944, 1971, 2190, 2430, 2628, 2920, 3240, 3285, 3942, 4380, 4860, 5256, 5913, 6570, 7884, 8760, 9720, 9855, 11826, 13140, 15768, 17739, 19710, 23652, 26280, 28909, 29565, 35478, 39420, 47304, 57818, 59130, 70956, 78840, 86727, 88695, 115636, 118260, 141912, 144545, 173454, 177390, 231272, 236520, 260181, 289090, 346908, 354780, 433635, 520362, 578180, 693816, 709560, 780543, 867270, 1040724, 1156360, 1300905, 1561086, 1734540, 2081448, 2110357, 2341629, 2601810, 3122172, 3469080, 3902715, 4220714, 4683258, 5203620, 6244344, 6331071, 7024887, 7805430, 8441428, 9366516, 10407240, 10551785, 11708145, 12662142, 14049774, 15610860, 16882856, 18733032, 18993213, 21103570, 23416290, 25324284, 28099548, 31221720, 31655355, 35124435, 37986426, 42207140, 46832580, 50648568, 56199096, 56979639, 63310710, 70248870, 75972852, 84414280, 93665160, 94966065, 113959278, 126621420, 140497740, 151945704, 170938917, 189932130, 227918556, 253242840, 280995480, 284898195, 341877834, 379864260, 455837112, 512816751, 569796390, 683755668, 759728520, 854694585, 1025633502, 1139592780, 1367511336, 1709389170, 2051267004, 2279185560, 2564083755, 3418778340, 4102534008, 5128167510, 6837556680, 10256335020, 20512670040]

約数ペア:

[(1, 20512670040), (2, 10256335020), (3, 6837556680), (4, 5128167510), (5, 4102534008), (6, 3418778340), (8, 2564083755), (9, 2279185560), (10, 2051267004), (12, 1709389170), (15, 1367511336), (18, 1139592780), (20, 1025633502), (24, 854694585), (27, 759728520), (30, 683755668), (36, 569796390), (40, 512816751), (45, 455837112), (54, 379864260), (60, 341877834), (72, 284898195), (73, 280995480), (81, 253242840), (90, 227918556), (108, 189932130), (120, 170938917), (135, 151945704), (146, 140497740), (162, 126621420), (180, 113959278), (216, 94966065), (219, 93665160), (243, 84414280), (270, 75972852), (292, 70248870), (324, 63310710), (360, 56979639), (365, 56199096), (405, 50648568), (438, 46832580), (486, 42207140), (540, 37986426), (584, 35124435), (648, 31655355), (657, 31221720), (730, 28099548), (810, 25324284), (876, 23416290), (972, 21103570), (1080, 18993213), (1095, 18733032), (1215, 16882856), (1314, 15610860), (1460, 14049774), (1620, 12662142), (1752, 11708145), (1944, 10551785), (1971, 10407240), (2190, 9366516), (2430, 8441428), (2628, 7805430), (2920, 7024887), (3240, 6331071), (3285, 6244344), (3942, 5203620), (4380, 4683258), (4860, 4220714), (5256, 3902715), (5913, 3469080), (6570, 3122172), (7884, 2601810), (8760, 2341629), (9720, 2110357), (9855, 2081448), (11826, 1734540), (13140, 1561086), (15768, 1300905), (17739, 1156360), (19710, 1040724), (23652, 867270), (26280, 780543), (28909, 709560), (29565, 693816), (35478, 578180), (39420, 520362), (47304, 433635), (57818, 354780), (59130, 346908), (70956, 289090), (78840, 260181), (86727, 236520), (88695, 231272), (115636, 177390), (118260, 173454), (141912, 144545)]