261690144640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{189389}}^1$

素因数の和:189552

約数の個数: 128

約数和(自身を含む): 667622476800

約数和(自身を除く): 405932332160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 127, 128, 136, 160, 170, 254, 272, 320, 340, 508, 544, 635, 640, 680, 1016, 1088, 1270, 1360, 2032, 2159, 2176, 2540, 2720, 4064, 4318, 5080, 5440, 8128, 8636, 10160, 10795, 10880, 16256, 17272, 20320, 21590, 34544, 40640, 43180, 69088, 81280, 86360, 138176, 172720, 189389, 276352, 345440, 378778, 690880, 757556, 946945, 1381760, 1515112, 1893890, 3030224, 3219613, 3787780, 6060448, 6439226, 7575560, 12120896, 12878452, 15151120, 16098065, 24052403, 24241792, 25756904, 30302240, 32196130, 48104806, 51513808, 60604480, 64392260, 96209612, 103027616, 120262015, 121208960, 128784520, 192419224, 206055232, 240524030, 257569040, 384838448, 408890851, 412110464, 481048060, 515138080, 769676896, 817781702, 962096120, 1030276160, 1539353792, 1635563404, 1924192240, 2044454255, 2060552320, 3078707584, 3271126808, 3848384480, 4088908510, 6542253616, 7696768960, 8177817020, 13084507232, 15393537920, 16355634040, 26169014464, 32711268080, 52338028928, 65422536160, 130845072320, 261690144640]

約数ペア:

[(1, 261690144640), (2, 130845072320), (4, 65422536160), (5, 52338028928), (8, 32711268080), (10, 26169014464), (16, 16355634040), (17, 15393537920), (20, 13084507232), (32, 8177817020), (34, 7696768960), (40, 6542253616), (64, 4088908510), (68, 3848384480), (80, 3271126808), (85, 3078707584), (127, 2060552320), (128, 2044454255), (136, 1924192240), (160, 1635563404), (170, 1539353792), (254, 1030276160), (272, 962096120), (320, 817781702), (340, 769676896), (508, 515138080), (544, 481048060), (635, 412110464), (640, 408890851), (680, 384838448), (1016, 257569040), (1088, 240524030), (1270, 206055232), (1360, 192419224), (2032, 128784520), (2159, 121208960), (2176, 120262015), (2540, 103027616), (2720, 96209612), (4064, 64392260), (4318, 60604480), (5080, 51513808), (5440, 48104806), (8128, 32196130), (8636, 30302240), (10160, 25756904), (10795, 24241792), (10880, 24052403), (16256, 16098065), (17272, 15151120), (20320, 12878452), (21590, 12120896), (34544, 7575560), (40640, 6439226), (43180, 6060448), (69088, 3787780), (81280, 3219613), (86360, 3030224), (138176, 1893890), (172720, 1515112), (189389, 1381760), (276352, 946945), (345440, 757556), (378778, 690880)]