78510240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{54521}}^1$

素因数の和:54542

約数の個数: 72

約数和(自身を含む): 267921108

約数和(自身を除く): 189410868

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, 54521, 109042, 163563, 218084, 272605, 327126, 436168, 490689, 545210, 654252, 817815, 872336, 981378, 1090420, 1308504, 1635630, 1744672, 1962756, 2180840, 2453445, 2617008, 3271260, 3925512, 4361680, 4906890, 5234016, 6542520, 7851024, 8723360, 9813780, 13085040, 15702048, 19627560, 26170080, 39255120, 78510240]

約数ペア:

[(1, 78510240), (2, 39255120), (3, 26170080), (4, 19627560), (5, 15702048), (6, 13085040), (8, 9813780), (9, 8723360), (10, 7851024), (12, 6542520), (15, 5234016), (16, 4906890), (18, 4361680), (20, 3925512), (24, 3271260), (30, 2617008), (32, 2453445), (36, 2180840), (40, 1962756), (45, 1744672), (48, 1635630), (60, 1308504), (72, 1090420), (80, 981378), (90, 872336), (96, 817815), (120, 654252), (144, 545210), (160, 490689), (180, 436168), (240, 327126), (288, 272605), (360, 218084), (480, 163563), (720, 109042), (1440, 54521)]