78137460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:507

約数の個数: 120

約数和(自身を含む): 247595040

約数和(自身を除く): 169457580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 139, 162, 180, 270, 278, 324, 347, 405, 417, 540, 556, 694, 695, 810, 834, 1041, 1251, 1388, 1390, 1620, 1668, 1735, 2082, 2085, 2502, 2780, 3123, 3470, 3753, 4164, 4170, 5004, 5205, 6246, 6255, 6940, 7506, 8340, 9369, 10410, 11259, 12492, 12510, 15012, 15615, 18738, 18765, 20820, 22518, 25020, 28107, 31230, 37476, 37530, 45036, 46845, 48233, 56214, 56295, 62460, 75060, 93690, 96466, 112428, 112590, 140535, 144699, 187380, 192932, 225180, 241165, 281070, 289398, 434097, 482330, 562140, 578796, 723495, 868194, 964660, 1302291, 1446990, 1736388, 2170485, 2604582, 2893980, 3906873, 4340970, 5209164, 6511455, 7813746, 8681940, 13022910, 15627492, 19534365, 26045820, 39068730, 78137460]

約数ペア:

[(1, 78137460), (2, 39068730), (3, 26045820), (4, 19534365), (5, 15627492), (6, 13022910), (9, 8681940), (10, 7813746), (12, 6511455), (15, 5209164), (18, 4340970), (20, 3906873), (27, 2893980), (30, 2604582), (36, 2170485), (45, 1736388), (54, 1446990), (60, 1302291), (81, 964660), (90, 868194), (108, 723495), (135, 578796), (139, 562140), (162, 482330), (180, 434097), (270, 289398), (278, 281070), (324, 241165), (347, 225180), (405, 192932), (417, 187380), (540, 144699), (556, 140535), (694, 112590), (695, 112428), (810, 96466), (834, 93690), (1041, 75060), (1251, 62460), (1388, 56295), (1390, 56214), (1620, 48233), (1668, 46845), (1735, 45036), (2082, 37530), (2085, 37476), (2502, 31230), (2780, 28107), (3123, 25020), (3470, 22518), (3753, 20820), (4164, 18765), (4170, 18738), (5004, 15615), (5205, 15012), (6246, 12510), (6255, 12492), (6940, 11259), (7506, 10410), (8340, 9369)]