280204515

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 541771776

約数和(自身を除く): 261567261

約数列:

[1, 3, 5, 9, 15, 23, 27, 37, 45, 69, 81, 111, 115, 135, 185, 207, 243, 271, 333, 345, 405, 555, 621, 813, 851, 999, 1035, 1215, 1355, 1665, 1863, 2439, 2553, 2997, 3105, 4065, 4255, 4995, 5589, 6233, 7317, 7659, 8991, 9315, 10027, 12195, 12765, 14985, 18699, 21951, 22977, 27945, 30081, 31165, 36585, 38295, 44955, 50135, 56097, 65853, 68931, 90243, 93495, 109755, 114885, 150405, 168291, 206793, 230621, 270729, 280485, 329265, 344655, 451215, 504873, 691863, 812187, 841455, 1033965, 1153105, 1353645, 1514619, 2075589, 2436561, 2524365, 3459315, 4060935, 6226767, 7573095, 10377945, 12182805, 18680301, 31133835, 56040903, 93401505, 280204515]

約数ペア:

[(1, 280204515), (3, 93401505), (5, 56040903), (9, 31133835), (15, 18680301), (23, 12182805), (27, 10377945), (37, 7573095), (45, 6226767), (69, 4060935), (81, 3459315), (111, 2524365), (115, 2436561), (135, 2075589), (185, 1514619), (207, 1353645), (243, 1153105), (271, 1033965), (333, 841455), (345, 812187), (405, 691863), (555, 504873), (621, 451215), (813, 344655), (851, 329265), (999, 280485), (1035, 270729), (1215, 230621), (1355, 206793), (1665, 168291), (1863, 150405), (2439, 114885), (2553, 109755), (2997, 93495), (3105, 90243), (4065, 68931), (4255, 65853), (4995, 56097), (5589, 50135), (6233, 44955), (7317, 38295), (7659, 36585), (8991, 31165), (9315, 30081), (10027, 27945), (12195, 22977), (12765, 21951), (14985, 18699)]