128652840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{857}}^1$

素因数の和:1016

約数の個数: 128

約数和(自身を含む): 432432000

約数和(自身を除く): 303779160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 139, 180, 216, 270, 278, 360, 417, 540, 556, 695, 834, 857, 1080, 1112, 1251, 1390, 1668, 1714, 2085, 2502, 2571, 2780, 3336, 3428, 3753, 4170, 4285, 5004, 5142, 5560, 6255, 6856, 7506, 7713, 8340, 8570, 10008, 10284, 12510, 12855, 15012, 15426, 16680, 17140, 18765, 20568, 23139, 25020, 25710, 30024, 30852, 34280, 37530, 38565, 46278, 50040, 51420, 61704, 75060, 77130, 92556, 102840, 115695, 119123, 150120, 154260, 185112, 231390, 238246, 308520, 357369, 462780, 476492, 595615, 714738, 925560, 952984, 1072107, 1191230, 1429476, 1786845, 2144214, 2382460, 2858952, 3216321, 3573690, 4288428, 4764920, 5360535, 6432642, 7147380, 8576856, 10721070, 12865284, 14294760, 16081605, 21442140, 25730568, 32163210, 42884280, 64326420, 128652840]

約数ペア:

[(1, 128652840), (2, 64326420), (3, 42884280), (4, 32163210), (5, 25730568), (6, 21442140), (8, 16081605), (9, 14294760), (10, 12865284), (12, 10721070), (15, 8576856), (18, 7147380), (20, 6432642), (24, 5360535), (27, 4764920), (30, 4288428), (36, 3573690), (40, 3216321), (45, 2858952), (54, 2382460), (60, 2144214), (72, 1786845), (90, 1429476), (108, 1191230), (120, 1072107), (135, 952984), (139, 925560), (180, 714738), (216, 595615), (270, 476492), (278, 462780), (360, 357369), (417, 308520), (540, 238246), (556, 231390), (695, 185112), (834, 154260), (857, 150120), (1080, 119123), (1112, 115695), (1251, 102840), (1390, 92556), (1668, 77130), (1714, 75060), (2085, 61704), (2502, 51420), (2571, 50040), (2780, 46278), (3336, 38565), (3428, 37530), (3753, 34280), (4170, 30852), (4285, 30024), (5004, 25710), (5142, 25020), (5560, 23139), (6255, 20568), (6856, 18765), (7506, 17140), (7713, 16680), (8340, 15426), (8570, 15012), (10008, 12855), (10284, 12510)]