64637280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{44887}}^1$

素因数の和:44908

約数の個数: 72

約数和(自身を含む): 220579632

約数和(自身を除く): 155942352

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, 480, 720, 1440, 44887, 89774, 134661, 179548, 224435, 269322, 359096, 403983, 448870, 538644, 673305, 718192, 807966, 897740, 1077288, 1346610, 1436384, 1615932, 1795480, 2019915, 2154576, 2693220, 3231864, 3590960, 4039830, 4309152, 5386440, 6463728, 7181920, 8079660, 10772880, 12927456, 16159320, 21545760, 32318640, 64637280]

約数ペア:

[(1, 64637280), (2, 32318640), (3, 21545760), (4, 16159320), (5, 12927456), (6, 10772880), (8, 8079660), (9, 7181920), (10, 6463728), (12, 5386440), (15, 4309152), (16, 4039830), (18, 3590960), (20, 3231864), (24, 2693220), (30, 2154576), (32, 2019915), (36, 1795480), (40, 1615932), (45, 1436384), (48, 1346610), (60, 1077288), (72, 897740), (80, 807966), (90, 718192), (96, 673305), (120, 538644), (144, 448870), (160, 403983), (180, 359096), (240, 269322), (288, 224435), (360, 179548), (480, 134661), (720, 89774), (1440, 44887)]