68551980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{3331}}^1$

素因数の和:3364

約数の個数: 96

約数和(自身を含む): 223910400

約数和(自身を除く): 155358420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1470, 1715, 2058, 2940, 3331, 3430, 4116, 5145, 6662, 6860, 9993, 10290, 13324, 16655, 19986, 20580, 23317, 33310, 39972, 46634, 49965, 66620, 69951, 93268, 99930, 116585, 139902, 163219, 199860, 233170, 279804, 326438, 349755, 466340, 489657, 652876, 699510, 816095, 979314, 1142533, 1399020, 1632190, 1958628, 2285066, 2448285, 3264380, 3427599, 4570132, 4896570, 5712665, 6855198, 9793140, 11425330, 13710396, 17137995, 22850660, 34275990, 68551980]

約数ペア:

[(1, 68551980), (2, 34275990), (3, 22850660), (4, 17137995), (5, 13710396), (6, 11425330), (7, 9793140), (10, 6855198), (12, 5712665), (14, 4896570), (15, 4570132), (20, 3427599), (21, 3264380), (28, 2448285), (30, 2285066), (35, 1958628), (42, 1632190), (49, 1399020), (60, 1142533), (70, 979314), (84, 816095), (98, 699510), (105, 652876), (140, 489657), (147, 466340), (196, 349755), (210, 326438), (245, 279804), (294, 233170), (343, 199860), (420, 163219), (490, 139902), (588, 116585), (686, 99930), (735, 93268), (980, 69951), (1029, 66620), (1372, 49965), (1470, 46634), (1715, 39972), (2058, 33310), (2940, 23317), (3331, 20580), (3430, 19986), (4116, 16655), (5145, 13324), (6662, 10290), (6860, 9993)]