398440320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{207521}}^1$

素因数の和:207543

約数の個数: 64

約数和(自身を含む): 1270034640

約数和(自身を除く): 871594320

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, 320, 384, 480, 640, 960, 1920, 207521, 415042, 622563, 830084, 1037605, 1245126, 1660168, 2075210, 2490252, 3112815, 3320336, 4150420, 4980504, 6225630, 6640672, 8300840, 9961008, 12451260, 13281344, 16601680, 19922016, 24902520, 26562688, 33203360, 39844032, 49805040, 66406720, 79688064, 99610080, 132813440, 199220160, 398440320]

約数ペア:

[(1, 398440320), (2, 199220160), (3, 132813440), (4, 99610080), (5, 79688064), (6, 66406720), (8, 49805040), (10, 39844032), (12, 33203360), (15, 26562688), (16, 24902520), (20, 19922016), (24, 16601680), (30, 13281344), (32, 12451260), (40, 9961008), (48, 8300840), (60, 6640672), (64, 6225630), (80, 4980504), (96, 4150420), (120, 3320336), (128, 3112815), (160, 2490252), (192, 2075210), (240, 1660168), (320, 1245126), (384, 1037605), (480, 830084), (640, 622563), (960, 415042), (1920, 207521)]