1218702940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2711}}^1$

素因数の和:2772

約数の個数: 144

約数和(自身を含む): 3335109120

約数和(自身を除く): 2116406180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 169, 182, 190, 247, 260, 266, 338, 364, 380, 455, 494, 532, 665, 676, 845, 910, 988, 1183, 1235, 1330, 1690, 1729, 1820, 2366, 2470, 2660, 2711, 3211, 3380, 3458, 4732, 4940, 5422, 5915, 6422, 6916, 8645, 10844, 11830, 12844, 13555, 16055, 17290, 18977, 22477, 23660, 27110, 32110, 34580, 35243, 37954, 44954, 51509, 54220, 64220, 70486, 75908, 89908, 94885, 103018, 112385, 140972, 176215, 189770, 206036, 224770, 246701, 257545, 352430, 360563, 379540, 449540, 458159, 493402, 515090, 669617, 704860, 721126, 916318, 986804, 1030180, 1233505, 1339234, 1442252, 1802815, 1832636, 2290795, 2467010, 2678468, 3207113, 3348085, 3605630, 4581590, 4687319, 4934020, 6414226, 6696170, 7211260, 8705021, 9163180, 9374638, 12828452, 13392340, 16035565, 17410042, 18749276, 23436595, 32071130, 34820084, 43525105, 46873190, 60935147, 64142260, 87050210, 93746380, 121870294, 174100420, 243740588, 304675735, 609351470, 1218702940]

約数ペア:

[(1, 1218702940), (2, 609351470), (4, 304675735), (5, 243740588), (7, 174100420), (10, 121870294), (13, 93746380), (14, 87050210), (19, 64142260), (20, 60935147), (26, 46873190), (28, 43525105), (35, 34820084), (38, 32071130), (52, 23436595), (65, 18749276), (70, 17410042), (76, 16035565), (91, 13392340), (95, 12828452), (130, 9374638), (133, 9163180), (140, 8705021), (169, 7211260), (182, 6696170), (190, 6414226), (247, 4934020), (260, 4687319), (266, 4581590), (338, 3605630), (364, 3348085), (380, 3207113), (455, 2678468), (494, 2467010), (532, 2290795), (665, 1832636), (676, 1802815), (845, 1442252), (910, 1339234), (988, 1233505), (1183, 1030180), (1235, 986804), (1330, 916318), (1690, 721126), (1729, 704860), (1820, 669617), (2366, 515090), (2470, 493402), (2660, 458159), (2711, 449540), (3211, 379540), (3380, 360563), (3458, 352430), (4732, 257545), (4940, 246701), (5422, 224770), (5915, 206036), (6422, 189770), (6916, 176215), (8645, 140972), (10844, 112385), (11830, 103018), (12844, 94885), (13555, 89908), (16055, 75908), (17290, 70486), (18977, 64220), (22477, 54220), (23660, 51509), (27110, 44954), (32110, 37954), (34580, 35243)]