397553280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2621}}^1$

素因数の和:2722

約数の個数: 128

約数和(自身を含む): 1283731200

約数和(自身を除く): 886177920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 316, 320, 384, 395, 474, 480, 632, 640, 790, 948, 960, 1185, 1264, 1580, 1896, 1920, 2370, 2528, 2621, 3160, 3792, 4740, 5056, 5242, 6320, 7584, 7863, 9480, 10112, 10484, 12640, 13105, 15168, 15726, 18960, 20968, 25280, 26210, 30336, 31452, 37920, 39315, 41936, 50560, 52420, 62904, 75840, 78630, 83872, 104840, 125808, 151680, 157260, 167744, 207059, 209680, 251616, 314520, 335488, 414118, 419360, 503232, 621177, 629040, 828236, 838720, 1006464, 1035295, 1242354, 1258080, 1656472, 1677440, 2070590, 2484708, 2516160, 3105885, 3312944, 4141180, 4969416, 5032320, 6211770, 6625888, 8282360, 9938832, 12423540, 13251776, 16564720, 19877664, 24847080, 26503552, 33129440, 39755328, 49694160, 66258880, 79510656, 99388320, 132517760, 198776640, 397553280]

約数ペア:

[(1, 397553280), (2, 198776640), (3, 132517760), (4, 99388320), (5, 79510656), (6, 66258880), (8, 49694160), (10, 39755328), (12, 33129440), (15, 26503552), (16, 24847080), (20, 19877664), (24, 16564720), (30, 13251776), (32, 12423540), (40, 9938832), (48, 8282360), (60, 6625888), (64, 6211770), (79, 5032320), (80, 4969416), (96, 4141180), (120, 3312944), (128, 3105885), (158, 2516160), (160, 2484708), (192, 2070590), (237, 1677440), (240, 1656472), (316, 1258080), (320, 1242354), (384, 1035295), (395, 1006464), (474, 838720), (480, 828236), (632, 629040), (640, 621177), (790, 503232), (948, 419360), (960, 414118), (1185, 335488), (1264, 314520), (1580, 251616), (1896, 209680), (1920, 207059), (2370, 167744), (2528, 157260), (2621, 151680), (3160, 125808), (3792, 104840), (4740, 83872), (5056, 78630), (5242, 75840), (6320, 62904), (7584, 52420), (7863, 50560), (9480, 41936), (10112, 39315), (10484, 37920), (12640, 31452), (13105, 30336), (15168, 26210), (15726, 25280), (18960, 20968)]