20123092560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1\times {\mathrm{761}}^1$

素因数の和:1477

約数の個数: 160

約数和(自身を含む): 62860976640

約数和(自身を除く): 42737884080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 239, 240, 461, 478, 717, 761, 922, 956, 1195, 1383, 1434, 1522, 1844, 1912, 2283, 2305, 2390, 2766, 2868, 3044, 3585, 3688, 3805, 3824, 4566, 4610, 4780, 5532, 5736, 6088, 6915, 7170, 7376, 7610, 9132, 9220, 9560, 11064, 11415, 11472, 12176, 13830, 14340, 15220, 18264, 18440, 19120, 22128, 22830, 27660, 28680, 30440, 36528, 36880, 45660, 55320, 57360, 60880, 91320, 110179, 110640, 181879, 182640, 220358, 330537, 350821, 363758, 440716, 545637, 550895, 661074, 701642, 727516, 881432, 909395, 1052463, 1091274, 1101790, 1322148, 1403284, 1455032, 1652685, 1754105, 1762864, 1818790, 2104926, 2182548, 2203580, 2644296, 2728185, 2806568, 2910064, 3305370, 3508210, 3637580, 4209852, 4365096, 4407160, 5262315, 5288592, 5456370, 5613136, 6610740, 7016420, 7275160, 8419704, 8730192, 8814320, 10524630, 10912740, 13221480, 14032840, 14550320, 16839408, 21049260, 21825480, 26442960, 28065680, 42098520, 43650960, 83846219, 84197040, 167692438, 251538657, 335384876, 419231095, 503077314, 670769752, 838462190, 1006154628, 1257693285, 1341539504, 1676924380, 2012309256, 2515386570, 3353848760, 4024618512, 5030773140, 6707697520, 10061546280, 20123092560]

約数ペア:

[(1, 20123092560), (2, 10061546280), (3, 6707697520), (4, 5030773140), (5, 4024618512), (6, 3353848760), (8, 2515386570), (10, 2012309256), (12, 1676924380), (15, 1341539504), (16, 1257693285), (20, 1006154628), (24, 838462190), (30, 670769752), (40, 503077314), (48, 419231095), (60, 335384876), (80, 251538657), (120, 167692438), (239, 84197040), (240, 83846219), (461, 43650960), (478, 42098520), (717, 28065680), (761, 26442960), (922, 21825480), (956, 21049260), (1195, 16839408), (1383, 14550320), (1434, 14032840), (1522, 13221480), (1844, 10912740), (1912, 10524630), (2283, 8814320), (2305, 8730192), (2390, 8419704), (2766, 7275160), (2868, 7016420), (3044, 6610740), (3585, 5613136), (3688, 5456370), (3805, 5288592), (3824, 5262315), (4566, 4407160), (4610, 4365096), (4780, 4209852), (5532, 3637580), (5736, 3508210), (6088, 3305370), (6915, 2910064), (7170, 2806568), (7376, 2728185), (7610, 2644296), (9132, 2203580), (9220, 2182548), (9560, 2104926), (11064, 1818790), (11415, 1762864), (11472, 1754105), (12176, 1652685), (13830, 1455032), (14340, 1403284), (15220, 1322148), (18264, 1101790), (18440, 1091274), (19120, 1052463), (22128, 909395), (22830, 881432), (27660, 727516), (28680, 701642), (30440, 661074), (36528, 550895), (36880, 545637), (45660, 440716), (55320, 363758), (57360, 350821), (60880, 330537), (91320, 220358), (110179, 182640), (110640, 181879)]