257136120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4177}}^1$

素因数の和:4219

約数の個数: 160

約数和(自身を含む): 909968400

約数和(自身を除く): 652832280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 513, 540, 570, 648, 684, 760, 810, 855, 1026, 1080, 1140, 1368, 1539, 1620, 1710, 2052, 2280, 2565, 3078, 3240, 3420, 4104, 4177, 5130, 6156, 6840, 7695, 8354, 10260, 12312, 12531, 15390, 16708, 20520, 20885, 25062, 30780, 33416, 37593, 41770, 50124, 61560, 62655, 75186, 79363, 83540, 100248, 112779, 125310, 150372, 158726, 167080, 187965, 225558, 238089, 250620, 300744, 317452, 338337, 375930, 396815, 451116, 476178, 501240, 563895, 634904, 676674, 714267, 751860, 793630, 902232, 952356, 1127790, 1190445, 1353348, 1428534, 1503720, 1587260, 1691685, 1904712, 2142801, 2255580, 2380890, 2706696, 2857068, 3174520, 3383370, 3571335, 4285602, 4511160, 4761780, 5714136, 6428403, 6766740, 7142670, 8571204, 9523560, 10714005, 12856806, 13533480, 14285340, 17142408, 21428010, 25713612, 28570680, 32142015, 42856020, 51427224, 64284030, 85712040, 128568060, 257136120]

約数ペア:

[(1, 257136120), (2, 128568060), (3, 85712040), (4, 64284030), (5, 51427224), (6, 42856020), (8, 32142015), (9, 28570680), (10, 25713612), (12, 21428010), (15, 17142408), (18, 14285340), (19, 13533480), (20, 12856806), (24, 10714005), (27, 9523560), (30, 8571204), (36, 7142670), (38, 6766740), (40, 6428403), (45, 5714136), (54, 4761780), (57, 4511160), (60, 4285602), (72, 3571335), (76, 3383370), (81, 3174520), (90, 2857068), (95, 2706696), (108, 2380890), (114, 2255580), (120, 2142801), (135, 1904712), (152, 1691685), (162, 1587260), (171, 1503720), (180, 1428534), (190, 1353348), (216, 1190445), (228, 1127790), (270, 952356), (285, 902232), (324, 793630), (342, 751860), (360, 714267), (380, 676674), (405, 634904), (456, 563895), (513, 501240), (540, 476178), (570, 451116), (648, 396815), (684, 375930), (760, 338337), (810, 317452), (855, 300744), (1026, 250620), (1080, 238089), (1140, 225558), (1368, 187965), (1539, 167080), (1620, 158726), (1710, 150372), (2052, 125310), (2280, 112779), (2565, 100248), (3078, 83540), (3240, 79363), (3420, 75186), (4104, 62655), (4177, 61560), (5130, 50124), (6156, 41770), (6840, 37593), (7695, 33416), (8354, 30780), (10260, 25062), (12312, 20885), (12531, 20520), (15390, 16708)]