505470420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30859}}^1$

素因数の和:30894

約数の個数: 144

約数和(自身を含む): 1887150720

約数和(自身を除く): 1381680300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 30859, 61718, 92577, 123436, 154295, 185154, 216013, 277731, 308590, 370308, 401167, 432026, 462885, 555462, 617180, 648039, 802334, 864052, 925770, 1080065, 1110924, 1203501, 1296078, 1388655, 1604668, 1851540, 1944117, 2005835, 2160130, 2407002, 2592156, 2777310, 2808169, 3240195, 3610503, 3888234, 4011670, 4320260, 4814004, 5554620, 5616338, 6017505, 6480390, 7221006, 7776468, 8023340, 8424507, 9720585, 11232676, 12035010, 12960780, 14040845, 14442012, 16849014, 18052515, 19441170, 24070020, 25273521, 28081690, 33698028, 36105030, 38882340, 42122535, 50547042, 56163380, 72210060, 84245070, 101094084, 126367605, 168490140, 252735210, 505470420]

約数ペア:

[(1, 505470420), (2, 252735210), (3, 168490140), (4, 126367605), (5, 101094084), (6, 84245070), (7, 72210060), (9, 56163380), (10, 50547042), (12, 42122535), (13, 38882340), (14, 36105030), (15, 33698028), (18, 28081690), (20, 25273521), (21, 24070020), (26, 19441170), (28, 18052515), (30, 16849014), (35, 14442012), (36, 14040845), (39, 12960780), (42, 12035010), (45, 11232676), (52, 9720585), (60, 8424507), (63, 8023340), (65, 7776468), (70, 7221006), (78, 6480390), (84, 6017505), (90, 5616338), (91, 5554620), (105, 4814004), (117, 4320260), (126, 4011670), (130, 3888234), (140, 3610503), (156, 3240195), (180, 2808169), (182, 2777310), (195, 2592156), (210, 2407002), (234, 2160130), (252, 2005835), (260, 1944117), (273, 1851540), (315, 1604668), (364, 1388655), (390, 1296078), (420, 1203501), (455, 1110924), (468, 1080065), (546, 925770), (585, 864052), (630, 802334), (780, 648039), (819, 617180), (910, 555462), (1092, 462885), (1170, 432026), (1260, 401167), (1365, 370308), (1638, 308590), (1820, 277731), (2340, 216013), (2730, 185154), (3276, 154295), (4095, 123436), (5460, 92577), (8190, 61718), (16380, 30859)]