163280520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:420

約数の個数: 192

約数和(自身を含む): 577886400

約数和(自身を除く): 414605880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 139, 156, 180, 195, 234, 251, 260, 278, 312, 360, 390, 417, 468, 502, 520, 556, 585, 695, 753, 780, 834, 936, 1004, 1112, 1170, 1251, 1255, 1390, 1506, 1560, 1668, 1807, 2008, 2085, 2259, 2340, 2502, 2510, 2780, 3012, 3263, 3336, 3614, 3765, 4170, 4518, 4680, 5004, 5020, 5421, 5560, 6024, 6255, 6526, 7228, 7530, 8340, 9035, 9036, 9789, 10008, 10040, 10842, 11295, 12510, 13052, 14456, 15060, 16263, 16315, 16680, 18070, 18072, 19578, 21684, 22590, 25020, 26104, 27105, 29367, 30120, 32526, 32630, 34889, 36140, 39156, 43368, 45180, 48945, 50040, 54210, 58734, 65052, 65260, 69778, 72280, 78312, 81315, 90360, 97890, 104667, 108420, 117468, 130104, 130520, 139556, 146835, 162630, 174445, 195780, 209334, 216840, 234936, 279112, 293670, 314001, 325260, 348890, 391560, 418668, 453557, 523335, 587340, 628002, 650520, 697780, 837336, 907114, 1046670, 1174680, 1256004, 1360671, 1395560, 1570005, 1814228, 2093340, 2267785, 2512008, 2721342, 3140010, 3628456, 4082013, 4186680, 4535570, 5442684, 6280020, 6803355, 8164026, 9071140, 10885368, 12560040, 13606710, 16328052, 18142280, 20410065, 27213420, 32656104, 40820130, 54426840, 81640260, 163280520]

約数ペア:

[(1, 163280520), (2, 81640260), (3, 54426840), (4, 40820130), (5, 32656104), (6, 27213420), (8, 20410065), (9, 18142280), (10, 16328052), (12, 13606710), (13, 12560040), (15, 10885368), (18, 9071140), (20, 8164026), (24, 6803355), (26, 6280020), (30, 5442684), (36, 4535570), (39, 4186680), (40, 4082013), (45, 3628456), (52, 3140010), (60, 2721342), (65, 2512008), (72, 2267785), (78, 2093340), (90, 1814228), (104, 1570005), (117, 1395560), (120, 1360671), (130, 1256004), (139, 1174680), (156, 1046670), (180, 907114), (195, 837336), (234, 697780), (251, 650520), (260, 628002), (278, 587340), (312, 523335), (360, 453557), (390, 418668), (417, 391560), (468, 348890), (502, 325260), (520, 314001), (556, 293670), (585, 279112), (695, 234936), (753, 216840), (780, 209334), (834, 195780), (936, 174445), (1004, 162630), (1112, 146835), (1170, 139556), (1251, 130520), (1255, 130104), (1390, 117468), (1506, 108420), (1560, 104667), (1668, 97890), (1807, 90360), (2008, 81315), (2085, 78312), (2259, 72280), (2340, 69778), (2502, 65260), (2510, 65052), (2780, 58734), (3012, 54210), (3263, 50040), (3336, 48945), (3614, 45180), (3765, 43368), (4170, 39156), (4518, 36140), (4680, 34889), (5004, 32630), (5020, 32526), (5421, 30120), (5560, 29367), (6024, 27105), (6255, 26104), (6526, 25020), (7228, 22590), (7530, 21684), (8340, 19578), (9035, 18072), (9036, 18070), (9789, 16680), (10008, 16315), (10040, 16263), (10842, 15060), (11295, 14456), (12510, 13052)]