68493880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:669

約数の個数: 128

約数和(自身を含む): 196116480

約数和(自身を除く): 127622600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 607, 620, 728, 806, 868, 910, 1085, 1214, 1240, 1612, 1736, 1820, 2015, 2170, 2428, 2821, 3035, 3224, 3640, 4030, 4249, 4340, 4856, 5642, 6070, 7891, 8060, 8498, 8680, 11284, 12140, 14105, 15782, 16120, 16996, 18817, 21245, 22568, 24280, 28210, 31564, 33992, 37634, 39455, 42490, 55237, 56420, 63128, 75268, 78910, 84980, 94085, 110474, 112840, 131719, 150536, 157820, 169960, 188170, 220948, 244621, 263438, 276185, 315640, 376340, 441896, 489242, 526876, 552370, 658595, 752680, 978484, 1053752, 1104740, 1223105, 1317190, 1712347, 1956968, 2209480, 2446210, 2634380, 3424694, 4892420, 5268760, 6849388, 8561735, 9784840, 13698776, 17123470, 34246940, 68493880]

約数ペア:

[(1, 68493880), (2, 34246940), (4, 17123470), (5, 13698776), (7, 9784840), (8, 8561735), (10, 6849388), (13, 5268760), (14, 4892420), (20, 3424694), (26, 2634380), (28, 2446210), (31, 2209480), (35, 1956968), (40, 1712347), (52, 1317190), (56, 1223105), (62, 1104740), (65, 1053752), (70, 978484), (91, 752680), (104, 658595), (124, 552370), (130, 526876), (140, 489242), (155, 441896), (182, 376340), (217, 315640), (248, 276185), (260, 263438), (280, 244621), (310, 220948), (364, 188170), (403, 169960), (434, 157820), (455, 150536), (520, 131719), (607, 112840), (620, 110474), (728, 94085), (806, 84980), (868, 78910), (910, 75268), (1085, 63128), (1214, 56420), (1240, 55237), (1612, 42490), (1736, 39455), (1820, 37634), (2015, 33992), (2170, 31564), (2428, 28210), (2821, 24280), (3035, 22568), (3224, 21245), (3640, 18817), (4030, 16996), (4249, 16120), (4340, 15782), (4856, 14105), (5642, 12140), (6070, 11284), (7891, 8680), (8060, 8498)]