20908685280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{327517}}^1$

素因数の和:327561

約数の個数: 192

約数和(自身を含む): 79233154560

約数和(自身を除く): 58324469280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 480, 532, 560, 570, 608, 665, 672, 760, 798, 840, 912, 1064, 1120, 1140, 1330, 1520, 1596, 1680, 1824, 1995, 2128, 2280, 2660, 3040, 3192, 3360, 3990, 4256, 4560, 5320, 6384, 7980, 9120, 10640, 12768, 15960, 21280, 31920, 63840, 327517, 655034, 982551, 1310068, 1637585, 1965102, 2292619, 2620136, 3275170, 3930204, 4585238, 4912755, 5240272, 6222823, 6550340, 6877857, 7860408, 9170476, 9825510, 10480544, 11463095, 12445646, 13100680, 13755714, 15720816, 18340952, 18668469, 19651020, 22926190, 24891292, 26201360, 27511428, 31114115, 31441632, 34389285, 36681904, 37336938, 39302040, 43559761, 45852380, 49782584, 52402720, 55022856, 62228230, 68778570, 73363808, 74673876, 78604080, 87119522, 91704760, 93342345, 99565168, 110045712, 124456460, 130679283, 137557140, 149347752, 157208160, 174239044, 183409520, 186684690, 199130336, 217798805, 220091424, 248912920, 261358566, 275114280, 298695504, 348478088, 366819040, 373369380, 435597610, 497825840, 522717132, 550228560, 597391008, 653396415, 696956176, 746738760, 871195220, 995651680, 1045434264, 1100457120, 1306792830, 1393912352, 1493477520, 1742390440, 2090868528, 2613585660, 2986955040, 3484780880, 4181737056, 5227171320, 6969561760, 10454342640, 20908685280]

約数ペア:

[(1, 20908685280), (2, 10454342640), (3, 6969561760), (4, 5227171320), (5, 4181737056), (6, 3484780880), (7, 2986955040), (8, 2613585660), (10, 2090868528), (12, 1742390440), (14, 1493477520), (15, 1393912352), (16, 1306792830), (19, 1100457120), (20, 1045434264), (21, 995651680), (24, 871195220), (28, 746738760), (30, 696956176), (32, 653396415), (35, 597391008), (38, 550228560), (40, 522717132), (42, 497825840), (48, 435597610), (56, 373369380), (57, 366819040), (60, 348478088), (70, 298695504), (76, 275114280), (80, 261358566), (84, 248912920), (95, 220091424), (96, 217798805), (105, 199130336), (112, 186684690), (114, 183409520), (120, 174239044), (133, 157208160), (140, 149347752), (152, 137557140), (160, 130679283), (168, 124456460), (190, 110045712), (210, 99565168), (224, 93342345), (228, 91704760), (240, 87119522), (266, 78604080), (280, 74673876), (285, 73363808), (304, 68778570), (336, 62228230), (380, 55022856), (399, 52402720), (420, 49782584), (456, 45852380), (480, 43559761), (532, 39302040), (560, 37336938), (570, 36681904), (608, 34389285), (665, 31441632), (672, 31114115), (760, 27511428), (798, 26201360), (840, 24891292), (912, 22926190), (1064, 19651020), (1120, 18668469), (1140, 18340952), (1330, 15720816), (1520, 13755714), (1596, 13100680), (1680, 12445646), (1824, 11463095), (1995, 10480544), (2128, 9825510), (2280, 9170476), (2660, 7860408), (3040, 6877857), (3192, 6550340), (3360, 6222823), (3990, 5240272), (4256, 4912755), (4560, 4585238), (5320, 3930204), (6384, 3275170), (7980, 2620136), (9120, 2292619), (10640, 1965102), (12768, 1637585), (15960, 1310068), (21280, 982551), (31920, 655034), (63840, 327517)]