68887140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23431}}^1$

素因数の和:23457

約数の個数: 72

約数和(自身を含む): 224384832

約数和(自身を除く): 155497692

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, 420, 490, 588, 735, 980, 1470, 2940, 23431, 46862, 70293, 93724, 117155, 140586, 164017, 234310, 281172, 328034, 351465, 468620, 492051, 656068, 702930, 820085, 984102, 1148119, 1405860, 1640170, 1968204, 2296238, 2460255, 3280340, 3444357, 4592476, 4920510, 5740595, 6888714, 9841020, 11481190, 13777428, 17221785, 22962380, 34443570, 68887140]

約数ペア:

[(1, 68887140), (2, 34443570), (3, 22962380), (4, 17221785), (5, 13777428), (6, 11481190), (7, 9841020), (10, 6888714), (12, 5740595), (14, 4920510), (15, 4592476), (20, 3444357), (21, 3280340), (28, 2460255), (30, 2296238), (35, 1968204), (42, 1640170), (49, 1405860), (60, 1148119), (70, 984102), (84, 820085), (98, 702930), (105, 656068), (140, 492051), (147, 468620), (196, 351465), (210, 328034), (245, 281172), (294, 234310), (420, 164017), (490, 140586), (588, 117155), (735, 93724), (980, 70293), (1470, 46862), (2940, 23431)]