68709480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:699

約数の個数: 128

約数和(自身を含む): 237530880

約数和(自身を除く): 168821400

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, 157, 168, 210, 280, 314, 420, 471, 521, 628, 785, 840, 942, 1042, 1099, 1256, 1563, 1570, 1884, 2084, 2198, 2355, 2605, 3126, 3140, 3297, 3647, 3768, 4168, 4396, 4710, 5210, 5495, 6252, 6280, 6594, 7294, 7815, 8792, 9420, 10420, 10941, 10990, 12504, 13188, 14588, 15630, 16485, 18235, 18840, 20840, 21882, 21980, 26376, 29176, 31260, 32970, 36470, 43764, 43960, 54705, 62520, 65940, 72940, 81797, 87528, 109410, 131880, 145880, 163594, 218820, 245391, 327188, 408985, 437640, 490782, 572579, 654376, 817970, 981564, 1145158, 1226955, 1635940, 1717737, 1963128, 2290316, 2453910, 2862895, 3271880, 3435474, 4580632, 4907820, 5725790, 6870948, 8588685, 9815640, 11451580, 13741896, 17177370, 22903160, 34354740, 68709480]

約数ペア:

[(1, 68709480), (2, 34354740), (3, 22903160), (4, 17177370), (5, 13741896), (6, 11451580), (7, 9815640), (8, 8588685), (10, 6870948), (12, 5725790), (14, 4907820), (15, 4580632), (20, 3435474), (21, 3271880), (24, 2862895), (28, 2453910), (30, 2290316), (35, 1963128), (40, 1717737), (42, 1635940), (56, 1226955), (60, 1145158), (70, 981564), (84, 817970), (105, 654376), (120, 572579), (140, 490782), (157, 437640), (168, 408985), (210, 327188), (280, 245391), (314, 218820), (420, 163594), (471, 145880), (521, 131880), (628, 109410), (785, 87528), (840, 81797), (942, 72940), (1042, 65940), (1099, 62520), (1256, 54705), (1563, 43960), (1570, 43764), (1884, 36470), (2084, 32970), (2198, 31260), (2355, 29176), (2605, 26376), (3126, 21980), (3140, 21882), (3297, 20840), (3647, 18840), (3768, 18235), (4168, 16485), (4396, 15630), (4710, 14588), (5210, 13188), (5495, 12504), (6252, 10990), (6280, 10941), (6594, 10420), (7294, 9420), (7815, 8792)]