628304640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{163621}}^1$

素因数の和:163645

約数の個数: 72

約数和(自身を含む): 2006660208

約数和(自身を除く): 1378355568

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, 163621, 327242, 490863, 654484, 818105, 981726, 1308968, 1636210, 1963452, 2454315, 2617936, 3272420, 3926904, 4908630, 5235872, 6544840, 7853808, 9817260, 10471744, 13089680, 15707616, 19634520, 20943488, 26179360, 31415232, 39269040, 41886976, 52358720, 62830464, 78538080, 104717440, 125660928, 157076160, 209434880, 314152320, 628304640]

約数ペア:

[(1, 628304640), (2, 314152320), (3, 209434880), (4, 157076160), (5, 125660928), (6, 104717440), (8, 78538080), (10, 62830464), (12, 52358720), (15, 41886976), (16, 39269040), (20, 31415232), (24, 26179360), (30, 20943488), (32, 19634520), (40, 15707616), (48, 13089680), (60, 10471744), (64, 9817260), (80, 7853808), (96, 6544840), (120, 5235872), (128, 4908630), (160, 3926904), (192, 3272420), (240, 2617936), (256, 2454315), (320, 1963452), (384, 1636210), (480, 1308968), (640, 981726), (768, 818105), (960, 654484), (1280, 490863), (1920, 327242), (3840, 163621)]