388688640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{101221}}^1$

素因数の和:101245

約数の個数: 72

約数和(自身を含む): 1241386608

約数和(自身を除く): 852697968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 101221, 202442, 303663, 404884, 506105, 607326, 809768, 1012210, 1214652, 1518315, 1619536, 2024420, 2429304, 3036630, 3239072, 4048840, 4858608, 6073260, 6478144, 8097680, 9717216, 12146520, 12956288, 16195360, 19434432, 24293040, 25912576, 32390720, 38868864, 48586080, 64781440, 77737728, 97172160, 129562880, 194344320, 388688640]

約数ペア:

[(1, 388688640), (2, 194344320), (3, 129562880), (4, 97172160), (5, 77737728), (6, 64781440), (8, 48586080), (10, 38868864), (12, 32390720), (15, 25912576), (16, 24293040), (20, 19434432), (24, 16195360), (30, 12956288), (32, 12146520), (40, 9717216), (48, 8097680), (60, 6478144), (64, 6073260), (80, 4858608), (96, 4048840), (120, 3239072), (128, 3036630), (160, 2429304), (192, 2024420), (240, 1619536), (256, 1518315), (320, 1214652), (384, 1012210), (480, 809768), (640, 607326), (768, 506105), (960, 404884), (1280, 303663), (1920, 202442), (3840, 101221)]