66745560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:641

約数の個数: 128

約数和(自身を含む): 230630400

約数和(自身を除く): 163884840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 181, 210, 280, 362, 420, 439, 543, 724, 840, 878, 905, 1086, 1267, 1317, 1448, 1756, 1810, 2172, 2195, 2534, 2634, 2715, 3073, 3512, 3620, 3801, 4344, 4390, 5068, 5268, 5430, 6146, 6335, 6585, 7240, 7602, 8780, 9219, 10136, 10536, 10860, 12292, 12670, 13170, 15204, 15365, 17560, 18438, 19005, 21720, 24584, 25340, 26340, 30408, 30730, 36876, 38010, 46095, 50680, 52680, 61460, 73752, 76020, 79459, 92190, 122920, 152040, 158918, 184380, 238377, 317836, 368760, 397295, 476754, 556213, 635672, 794590, 953508, 1112426, 1191885, 1589180, 1668639, 1907016, 2224852, 2383770, 2781065, 3178360, 3337278, 4449704, 4767540, 5562130, 6674556, 8343195, 9535080, 11124260, 13349112, 16686390, 22248520, 33372780, 66745560]

約数ペア:

[(1, 66745560), (2, 33372780), (3, 22248520), (4, 16686390), (5, 13349112), (6, 11124260), (7, 9535080), (8, 8343195), (10, 6674556), (12, 5562130), (14, 4767540), (15, 4449704), (20, 3337278), (21, 3178360), (24, 2781065), (28, 2383770), (30, 2224852), (35, 1907016), (40, 1668639), (42, 1589180), (56, 1191885), (60, 1112426), (70, 953508), (84, 794590), (105, 635672), (120, 556213), (140, 476754), (168, 397295), (181, 368760), (210, 317836), (280, 238377), (362, 184380), (420, 158918), (439, 152040), (543, 122920), (724, 92190), (840, 79459), (878, 76020), (905, 73752), (1086, 61460), (1267, 52680), (1317, 50680), (1448, 46095), (1756, 38010), (1810, 36876), (2172, 30730), (2195, 30408), (2534, 26340), (2634, 25340), (2715, 24584), (3073, 21720), (3512, 19005), (3620, 18438), (3801, 17560), (4344, 15365), (4390, 15204), (5068, 13170), (5268, 12670), (5430, 12292), (6146, 10860), (6335, 10536), (6585, 10136), (7240, 9219), (7602, 8780)]