420060120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:825

約数の個数: 128

約数和(自身を含む): 1301667840

約数和(自身を除く): 881607720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 127, 129, 172, 215, 254, 258, 344, 381, 430, 508, 516, 635, 641, 645, 762, 860, 1016, 1032, 1270, 1282, 1290, 1524, 1720, 1905, 1923, 2540, 2564, 2580, 3048, 3205, 3810, 3846, 5080, 5128, 5160, 5461, 6410, 7620, 7692, 9615, 10922, 12820, 15240, 15384, 16383, 19230, 21844, 25640, 27305, 27563, 32766, 38460, 43688, 54610, 55126, 65532, 76920, 81407, 81915, 82689, 109220, 110252, 131064, 137815, 162814, 163830, 165378, 218440, 220504, 244221, 275630, 325628, 327660, 330756, 407035, 413445, 488442, 551260, 651256, 655320, 661512, 814070, 826890, 976884, 1102520, 1221105, 1628140, 1653780, 1953768, 2442210, 3256280, 3307560, 3500501, 4884420, 7001002, 9768840, 10501503, 14002004, 17502505, 21003006, 28004008, 35005010, 42006012, 52507515, 70010020, 84012024, 105015030, 140020040, 210030060, 420060120]

約数ペア:

[(1, 420060120), (2, 210030060), (3, 140020040), (4, 105015030), (5, 84012024), (6, 70010020), (8, 52507515), (10, 42006012), (12, 35005010), (15, 28004008), (20, 21003006), (24, 17502505), (30, 14002004), (40, 10501503), (43, 9768840), (60, 7001002), (86, 4884420), (120, 3500501), (127, 3307560), (129, 3256280), (172, 2442210), (215, 1953768), (254, 1653780), (258, 1628140), (344, 1221105), (381, 1102520), (430, 976884), (508, 826890), (516, 814070), (635, 661512), (641, 655320), (645, 651256), (762, 551260), (860, 488442), (1016, 413445), (1032, 407035), (1270, 330756), (1282, 327660), (1290, 325628), (1524, 275630), (1720, 244221), (1905, 220504), (1923, 218440), (2540, 165378), (2564, 163830), (2580, 162814), (3048, 137815), (3205, 131064), (3810, 110252), (3846, 109220), (5080, 82689), (5128, 81915), (5160, 81407), (5461, 76920), (6410, 65532), (7620, 55126), (7692, 54610), (9615, 43688), (10922, 38460), (12820, 32766), (15240, 27563), (15384, 27305), (16383, 25640), (19230, 21844)]