68705820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 220391808

約数和(自身を除く): 151685988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 67, 81, 90, 108, 134, 135, 162, 180, 201, 211, 243, 268, 270, 324, 335, 402, 405, 422, 486, 540, 603, 633, 670, 804, 810, 844, 972, 1005, 1055, 1206, 1215, 1266, 1340, 1620, 1809, 1899, 2010, 2110, 2412, 2430, 2532, 3015, 3165, 3618, 3798, 4020, 4220, 4860, 5427, 5697, 6030, 6330, 7236, 7596, 9045, 9495, 10854, 11394, 12060, 12660, 14137, 16281, 17091, 18090, 18990, 21708, 22788, 27135, 28274, 28485, 32562, 34182, 36180, 37980, 42411, 51273, 54270, 56548, 56970, 65124, 68364, 70685, 81405, 84822, 85455, 102546, 108540, 113940, 127233, 141370, 162810, 169644, 170910, 205092, 212055, 254466, 256365, 282740, 325620, 341820, 381699, 424110, 508932, 512730, 636165, 763398, 848220, 1025460, 1145097, 1272330, 1526796, 1908495, 2290194, 2544660, 3435291, 3816990, 4580388, 5725485, 6870582, 7633980, 11450970, 13741164, 17176455, 22901940, 34352910, 68705820]

約数ペア:

[(1, 68705820), (2, 34352910), (3, 22901940), (4, 17176455), (5, 13741164), (6, 11450970), (9, 7633980), (10, 6870582), (12, 5725485), (15, 4580388), (18, 3816990), (20, 3435291), (27, 2544660), (30, 2290194), (36, 1908495), (45, 1526796), (54, 1272330), (60, 1145097), (67, 1025460), (81, 848220), (90, 763398), (108, 636165), (134, 512730), (135, 508932), (162, 424110), (180, 381699), (201, 341820), (211, 325620), (243, 282740), (268, 256365), (270, 254466), (324, 212055), (335, 205092), (402, 170910), (405, 169644), (422, 162810), (486, 141370), (540, 127233), (603, 113940), (633, 108540), (670, 102546), (804, 85455), (810, 84822), (844, 81405), (972, 70685), (1005, 68364), (1055, 65124), (1206, 56970), (1215, 56548), (1266, 54270), (1340, 51273), (1620, 42411), (1809, 37980), (1899, 36180), (2010, 34182), (2110, 32562), (2412, 28485), (2430, 28274), (2532, 27135), (3015, 22788), (3165, 21708), (3618, 18990), (3798, 18090), (4020, 17091), (4220, 16281), (4860, 14137), (5427, 12660), (5697, 12060), (6030, 11394), (6330, 10854), (7236, 9495), (7596, 9045)]