647837280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1039}}^1$

素因数の和:1493

約数の個数: 144

約数和(自身を含む): 2217983040

約数和(自身を除く): 1570145760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 433, 480, 720, 866, 1039, 1299, 1440, 1732, 2078, 2165, 2598, 3117, 3464, 3897, 4156, 4330, 5195, 5196, 6234, 6495, 6928, 7794, 8312, 8660, 9351, 10390, 10392, 12468, 12990, 13856, 15585, 15588, 16624, 17320, 18702, 19485, 20780, 20784, 24936, 25980, 31170, 31176, 33248, 34640, 37404, 38970, 41560, 41568, 46755, 49872, 51960, 62340, 62352, 69280, 74808, 77940, 83120, 93510, 99744, 103920, 124680, 124704, 149616, 155880, 166240, 187020, 207840, 249360, 299232, 311760, 374040, 449887, 498720, 623520, 748080, 899774, 1349661, 1496160, 1799548, 2249435, 2699322, 3599096, 4048983, 4498870, 5398644, 6748305, 7198192, 8097966, 8997740, 10797288, 13496610, 14396384, 16195932, 17995480, 20244915, 21594576, 26993220, 32391864, 35990960, 40489830, 43189152, 53986440, 64783728, 71981920, 80979660, 107972880, 129567456, 161959320, 215945760, 323918640, 647837280]

約数ペア:

[(1, 647837280), (2, 323918640), (3, 215945760), (4, 161959320), (5, 129567456), (6, 107972880), (8, 80979660), (9, 71981920), (10, 64783728), (12, 53986440), (15, 43189152), (16, 40489830), (18, 35990960), (20, 32391864), (24, 26993220), (30, 21594576), (32, 20244915), (36, 17995480), (40, 16195932), (45, 14396384), (48, 13496610), (60, 10797288), (72, 8997740), (80, 8097966), (90, 7198192), (96, 6748305), (120, 5398644), (144, 4498870), (160, 4048983), (180, 3599096), (240, 2699322), (288, 2249435), (360, 1799548), (433, 1496160), (480, 1349661), (720, 899774), (866, 748080), (1039, 623520), (1299, 498720), (1440, 449887), (1732, 374040), (2078, 311760), (2165, 299232), (2598, 249360), (3117, 207840), (3464, 187020), (3897, 166240), (4156, 155880), (4330, 149616), (5195, 124704), (5196, 124680), (6234, 103920), (6495, 99744), (6928, 93510), (7794, 83120), (8312, 77940), (8660, 74808), (9351, 69280), (10390, 62352), (10392, 62340), (12468, 51960), (12990, 49872), (13856, 46755), (15585, 41568), (15588, 41560), (16624, 38970), (17320, 37404), (18702, 34640), (19485, 33248), (20780, 31176), (20784, 31170), (24936, 25980)]