138643470

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{229}}^1$

素因数の和:311

約数の個数: 144

約数和(自身を含む): 427546080

約数和(自身を除く): 288902610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 229, 279, 310, 315, 434, 458, 465, 558, 630, 651, 687, 930, 961, 1085, 1145, 1302, 1374, 1395, 1603, 1922, 1953, 2061, 2170, 2290, 2790, 2883, 3206, 3255, 3435, 3906, 4122, 4805, 4809, 5766, 6510, 6727, 6870, 7099, 8015, 8649, 9610, 9618, 9765, 10305, 13454, 14198, 14415, 14427, 16030, 17298, 19530, 20181, 20610, 21297, 24045, 28830, 28854, 33635, 35495, 40362, 42594, 43245, 48090, 49693, 60543, 63891, 67270, 70990, 72135, 86490, 99386, 100905, 106485, 121086, 127782, 144270, 149079, 201810, 212970, 220069, 248465, 298158, 302715, 319455, 440138, 447237, 496930, 605430, 638910, 660207, 745395, 894474, 1100345, 1320414, 1490790, 1540483, 1980621, 2200690, 2236185, 3080966, 3301035, 3961242, 4472370, 4621449, 6602070, 7702415, 9242898, 9903105, 13864347, 15404830, 19806210, 23107245, 27728694, 46214490, 69321735, 138643470]

約数ペア:

[(1, 138643470), (2, 69321735), (3, 46214490), (5, 27728694), (6, 23107245), (7, 19806210), (9, 15404830), (10, 13864347), (14, 9903105), (15, 9242898), (18, 7702415), (21, 6602070), (30, 4621449), (31, 4472370), (35, 3961242), (42, 3301035), (45, 3080966), (62, 2236185), (63, 2200690), (70, 1980621), (90, 1540483), (93, 1490790), (105, 1320414), (126, 1100345), (155, 894474), (186, 745395), (210, 660207), (217, 638910), (229, 605430), (279, 496930), (310, 447237), (315, 440138), (434, 319455), (458, 302715), (465, 298158), (558, 248465), (630, 220069), (651, 212970), (687, 201810), (930, 149079), (961, 144270), (1085, 127782), (1145, 121086), (1302, 106485), (1374, 100905), (1395, 99386), (1603, 86490), (1922, 72135), (1953, 70990), (2061, 67270), (2170, 63891), (2290, 60543), (2790, 49693), (2883, 48090), (3206, 43245), (3255, 42594), (3435, 40362), (3906, 35495), (4122, 33635), (4805, 28854), (4809, 28830), (5766, 24045), (6510, 21297), (6727, 20610), (6870, 20181), (7099, 19530), (8015, 17298), (8649, 16030), (9610, 14427), (9618, 14415), (9765, 14198), (10305, 13454)]