388148520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{691}}^1$

素因数の和:887

約数の個数: 128

約数和(自身を含む): 1211719680

約数和(自身を除く): 823571160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 151, 155, 186, 248, 302, 310, 372, 453, 465, 604, 620, 691, 744, 755, 906, 930, 1208, 1240, 1382, 1510, 1812, 1860, 2073, 2265, 2764, 3020, 3455, 3624, 3720, 4146, 4530, 4681, 5528, 6040, 6910, 8292, 9060, 9362, 10365, 13820, 14043, 16584, 18120, 18724, 20730, 21421, 23405, 27640, 28086, 37448, 41460, 42842, 46810, 56172, 64263, 70215, 82920, 85684, 93620, 104341, 107105, 112344, 128526, 140430, 171368, 187240, 208682, 214210, 257052, 280860, 313023, 321315, 417364, 428420, 514104, 521705, 561720, 626046, 642630, 834728, 856840, 1043410, 1252092, 1285260, 1565115, 2086820, 2504184, 2570520, 3130230, 3234571, 4173640, 6260460, 6469142, 9703713, 12520920, 12938284, 16172855, 19407426, 25876568, 32345710, 38814852, 48518565, 64691420, 77629704, 97037130, 129382840, 194074260, 388148520]

約数ペア:

[(1, 388148520), (2, 194074260), (3, 129382840), (4, 97037130), (5, 77629704), (6, 64691420), (8, 48518565), (10, 38814852), (12, 32345710), (15, 25876568), (20, 19407426), (24, 16172855), (30, 12938284), (31, 12520920), (40, 9703713), (60, 6469142), (62, 6260460), (93, 4173640), (120, 3234571), (124, 3130230), (151, 2570520), (155, 2504184), (186, 2086820), (248, 1565115), (302, 1285260), (310, 1252092), (372, 1043410), (453, 856840), (465, 834728), (604, 642630), (620, 626046), (691, 561720), (744, 521705), (755, 514104), (906, 428420), (930, 417364), (1208, 321315), (1240, 313023), (1382, 280860), (1510, 257052), (1812, 214210), (1860, 208682), (2073, 187240), (2265, 171368), (2764, 140430), (3020, 128526), (3455, 112344), (3624, 107105), (3720, 104341), (4146, 93620), (4530, 85684), (4681, 82920), (5528, 70215), (6040, 64263), (6910, 56172), (8292, 46810), (9060, 42842), (9362, 41460), (10365, 37448), (13820, 28086), (14043, 27640), (16584, 23405), (18120, 21421), (18724, 20730)]