402078240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{279221}}^1$

素因数の和:279242

約数の個数: 72

約数和(自身を含む): 1372096908

約数和(自身を除く): 970018668

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, 279221, 558442, 837663, 1116884, 1396105, 1675326, 2233768, 2512989, 2792210, 3350652, 4188315, 4467536, 5025978, 5584420, 6701304, 8376630, 8935072, 10051956, 11168840, 12564945, 13402608, 16753260, 20103912, 22337680, 25129890, 26805216, 33506520, 40207824, 44675360, 50259780, 67013040, 80415648, 100519560, 134026080, 201039120, 402078240]

約数ペア:

[(1, 402078240), (2, 201039120), (3, 134026080), (4, 100519560), (5, 80415648), (6, 67013040), (8, 50259780), (9, 44675360), (10, 40207824), (12, 33506520), (15, 26805216), (16, 25129890), (18, 22337680), (20, 20103912), (24, 16753260), (30, 13402608), (32, 12564945), (36, 11168840), (40, 10051956), (45, 8935072), (48, 8376630), (60, 6701304), (72, 5584420), (80, 5025978), (90, 4467536), (96, 4188315), (120, 3350652), (144, 2792210), (160, 2512989), (180, 2233768), (240, 1675326), (288, 1396105), (360, 1116884), (480, 837663), (720, 558442), (1440, 279221)]