78004480

素因数分解:

$2^8\times 5^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 188559000

約数和(自身を除く): 110554520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 256, 298, 320, 409, 596, 640, 745, 818, 1192, 1280, 1490, 1636, 2045, 2384, 2980, 3272, 4090, 4768, 5960, 6544, 8180, 9536, 11920, 13088, 16360, 19072, 23840, 26176, 32720, 38144, 47680, 52352, 60941, 65440, 95360, 104704, 121882, 130880, 190720, 243764, 261760, 304705, 487528, 523520, 609410, 975056, 1218820, 1950112, 2437640, 3900224, 4875280, 7800448, 9750560, 15600896, 19501120, 39002240, 78004480]

約数ペア:

[(1, 78004480), (2, 39002240), (4, 19501120), (5, 15600896), (8, 9750560), (10, 7800448), (16, 4875280), (20, 3900224), (32, 2437640), (40, 1950112), (64, 1218820), (80, 975056), (128, 609410), (149, 523520), (160, 487528), (256, 304705), (298, 261760), (320, 243764), (409, 190720), (596, 130880), (640, 121882), (745, 104704), (818, 95360), (1192, 65440), (1280, 60941), (1490, 52352), (1636, 47680), (2045, 38144), (2384, 32720), (2980, 26176), (3272, 23840), (4090, 19072), (4768, 16360), (5960, 13088), (6544, 11920), (8180, 9536)]