807537780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1567}}^1$

素因数の和:1998

約数の個数: 144

約数和(自身を含む): 2808099840

約数和(自身を除く): 2000562060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 409, 420, 630, 818, 1227, 1260, 1567, 1636, 2045, 2454, 2863, 3134, 3681, 4090, 4701, 4908, 5726, 6135, 6268, 7362, 7835, 8180, 8589, 9402, 10969, 11452, 12270, 14103, 14315, 14724, 15670, 17178, 18405, 18804, 21938, 23505, 24540, 25767, 28206, 28630, 31340, 32907, 34356, 36810, 42945, 43876, 47010, 51534, 54845, 56412, 57260, 65814, 70515, 73620, 85890, 94020, 98721, 103068, 109690, 128835, 131628, 141030, 164535, 171780, 197442, 219380, 257670, 282060, 329070, 394884, 493605, 515340, 640903, 658140, 987210, 1281806, 1922709, 1974420, 2563612, 3204515, 3845418, 4486321, 5768127, 6409030, 7690836, 8972642, 9613545, 11536254, 12818060, 13458963, 17945284, 19227090, 22431605, 23072508, 26917926, 28840635, 38454180, 40376889, 44863210, 53835852, 57681270, 67294815, 80753778, 89726420, 115362540, 134589630, 161507556, 201884445, 269179260, 403768890, 807537780]

約数ペア:

[(1, 807537780), (2, 403768890), (3, 269179260), (4, 201884445), (5, 161507556), (6, 134589630), (7, 115362540), (9, 89726420), (10, 80753778), (12, 67294815), (14, 57681270), (15, 53835852), (18, 44863210), (20, 40376889), (21, 38454180), (28, 28840635), (30, 26917926), (35, 23072508), (36, 22431605), (42, 19227090), (45, 17945284), (60, 13458963), (63, 12818060), (70, 11536254), (84, 9613545), (90, 8972642), (105, 7690836), (126, 6409030), (140, 5768127), (180, 4486321), (210, 3845418), (252, 3204515), (315, 2563612), (409, 1974420), (420, 1922709), (630, 1281806), (818, 987210), (1227, 658140), (1260, 640903), (1567, 515340), (1636, 493605), (2045, 394884), (2454, 329070), (2863, 282060), (3134, 257670), (3681, 219380), (4090, 197442), (4701, 171780), (4908, 164535), (5726, 141030), (6135, 131628), (6268, 128835), (7362, 109690), (7835, 103068), (8180, 98721), (8589, 94020), (9402, 85890), (10969, 73620), (11452, 70515), (12270, 65814), (14103, 57260), (14315, 56412), (14724, 54845), (15670, 51534), (17178, 47010), (18405, 43876), (18804, 42945), (21938, 36810), (23505, 34356), (24540, 32907), (25767, 31340), (28206, 28630)]