78868080

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{4057}}^1$

素因数の和:4085

約数の個数: 120

約数和(自身を含む): 274742832

約数和(自身を除く): 195874752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4057, 4860, 6480, 8114, 9720, 12171, 16228, 19440, 20285, 24342, 32456, 36513, 40570, 48684, 60855, 64912, 73026, 81140, 97368, 109539, 121710, 146052, 162280, 182565, 194736, 219078, 243420, 292104, 324560, 328617, 365130, 438156, 486840, 547695, 584208, 657234, 730260, 876312, 973680, 985851, 1095390, 1314468, 1460520, 1643085, 1752624, 1971702, 2190780, 2628936, 2921040, 3286170, 3943404, 4381560, 4929255, 5257872, 6572340, 7886808, 8763120, 9858510, 13144680, 15773616, 19717020, 26289360, 39434040, 78868080]

約数ペア:

[(1, 78868080), (2, 39434040), (3, 26289360), (4, 19717020), (5, 15773616), (6, 13144680), (8, 9858510), (9, 8763120), (10, 7886808), (12, 6572340), (15, 5257872), (16, 4929255), (18, 4381560), (20, 3943404), (24, 3286170), (27, 2921040), (30, 2628936), (36, 2190780), (40, 1971702), (45, 1752624), (48, 1643085), (54, 1460520), (60, 1314468), (72, 1095390), (80, 985851), (81, 973680), (90, 876312), (108, 730260), (120, 657234), (135, 584208), (144, 547695), (162, 486840), (180, 438156), (216, 365130), (240, 328617), (243, 324560), (270, 292104), (324, 243420), (360, 219078), (405, 194736), (432, 182565), (486, 162280), (540, 146052), (648, 121710), (720, 109539), (810, 97368), (972, 81140), (1080, 73026), (1215, 64912), (1296, 60855), (1620, 48684), (1944, 40570), (2160, 36513), (2430, 32456), (3240, 24342), (3888, 20285), (4057, 19440), (4860, 16228), (6480, 12171), (8114, 9720)]