398248320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6691}}^1$

素因数の和:6744

約数の個数: 128

約数和(自身を含む): 1310561280

約数和(自身を除く): 912312960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5952, 6691, 7440, 9920, 11904, 13382, 14880, 19840, 20073, 26764, 29760, 33455, 40146, 53528, 59520, 66910, 80292, 100365, 107056, 133820, 160584, 200730, 207421, 214112, 267640, 321168, 401460, 414842, 428224, 535280, 622263, 642336, 802920, 829684, 856448, 1037105, 1070560, 1244526, 1284672, 1605840, 1659368, 2074210, 2141120, 2489052, 2569344, 3111315, 3211680, 3318736, 4148420, 4282240, 4978104, 6222630, 6423360, 6637472, 8296840, 9956208, 12445260, 12846720, 13274944, 16593680, 19912416, 24890520, 26549888, 33187360, 39824832, 49781040, 66374720, 79649664, 99562080, 132749440, 199124160, 398248320]

約数ペア:

[(1, 398248320), (2, 199124160), (3, 132749440), (4, 99562080), (5, 79649664), (6, 66374720), (8, 49781040), (10, 39824832), (12, 33187360), (15, 26549888), (16, 24890520), (20, 19912416), (24, 16593680), (30, 13274944), (31, 12846720), (32, 12445260), (40, 9956208), (48, 8296840), (60, 6637472), (62, 6423360), (64, 6222630), (80, 4978104), (93, 4282240), (96, 4148420), (120, 3318736), (124, 3211680), (128, 3111315), (155, 2569344), (160, 2489052), (186, 2141120), (192, 2074210), (240, 1659368), (248, 1605840), (310, 1284672), (320, 1244526), (372, 1070560), (384, 1037105), (465, 856448), (480, 829684), (496, 802920), (620, 642336), (640, 622263), (744, 535280), (930, 428224), (960, 414842), (992, 401460), (1240, 321168), (1488, 267640), (1860, 214112), (1920, 207421), (1984, 200730), (2480, 160584), (2976, 133820), (3720, 107056), (3968, 100365), (4960, 80292), (5952, 66910), (6691, 59520), (7440, 53528), (9920, 40146), (11904, 33455), (13382, 29760), (14880, 26764), (19840, 20073)]