68294240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:341

約数の個数: 144

約数和(自身を含む): 194431104

約数和(自身を除く): 126136864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 281, 310, 392, 434, 490, 496, 560, 562, 620, 784, 868, 980, 992, 1085, 1120, 1124, 1240, 1405, 1519, 1568, 1736, 1960, 1967, 2170, 2248, 2480, 2810, 3038, 3472, 3920, 3934, 4340, 4496, 4960, 5620, 6076, 6944, 7595, 7840, 7868, 8680, 8711, 8992, 9835, 11240, 12152, 13769, 15190, 15736, 17360, 17422, 19670, 22480, 24304, 27538, 30380, 31472, 34720, 34844, 39340, 43555, 44960, 48608, 55076, 60760, 60977, 62944, 68845, 69688, 78680, 87110, 110152, 121520, 121954, 137690, 139376, 157360, 174220, 220304, 243040, 243908, 275380, 278752, 304885, 314720, 348440, 426839, 440608, 487816, 550760, 609770, 696880, 853678, 975632, 1101520, 1219540, 1393760, 1707356, 1951264, 2134195, 2203040, 2439080, 3414712, 4268390, 4878160, 6829424, 8536780, 9756320, 13658848, 17073560, 34147120, 68294240]

約数ペア:

[(1, 68294240), (2, 34147120), (4, 17073560), (5, 13658848), (7, 9756320), (8, 8536780), (10, 6829424), (14, 4878160), (16, 4268390), (20, 3414712), (28, 2439080), (31, 2203040), (32, 2134195), (35, 1951264), (40, 1707356), (49, 1393760), (56, 1219540), (62, 1101520), (70, 975632), (80, 853678), (98, 696880), (112, 609770), (124, 550760), (140, 487816), (155, 440608), (160, 426839), (196, 348440), (217, 314720), (224, 304885), (245, 278752), (248, 275380), (280, 243908), (281, 243040), (310, 220304), (392, 174220), (434, 157360), (490, 139376), (496, 137690), (560, 121954), (562, 121520), (620, 110152), (784, 87110), (868, 78680), (980, 69688), (992, 68845), (1085, 62944), (1120, 60977), (1124, 60760), (1240, 55076), (1405, 48608), (1519, 44960), (1568, 43555), (1736, 39340), (1960, 34844), (1967, 34720), (2170, 31472), (2248, 30380), (2480, 27538), (2810, 24304), (3038, 22480), (3472, 19670), (3920, 17422), (3934, 17360), (4340, 15736), (4496, 15190), (4960, 13769), (5620, 12152), (6076, 11240), (6944, 9835), (7595, 8992), (7840, 8711), (7868, 8680)]