123948540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 393818880

約数和(自身を除く): 269870340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 97, 124, 155, 180, 186, 194, 229, 279, 291, 310, 372, 388, 458, 465, 485, 558, 582, 620, 687, 873, 916, 930, 970, 1116, 1145, 1164, 1374, 1395, 1455, 1746, 1860, 1940, 2061, 2290, 2748, 2790, 2910, 3007, 3435, 3492, 4122, 4365, 4580, 5580, 5820, 6014, 6870, 7099, 8244, 8730, 9021, 10305, 12028, 13740, 14198, 15035, 17460, 18042, 20610, 21297, 22213, 27063, 28396, 30070, 35495, 36084, 41220, 42594, 44426, 45105, 54126, 60140, 63891, 66639, 70990, 85188, 88852, 90210, 106485, 108252, 111065, 127782, 133278, 135315, 141980, 180420, 199917, 212970, 222130, 255564, 266556, 270630, 319455, 333195, 399834, 425940, 444260, 541260, 638910, 666390, 688603, 799668, 999585, 1277820, 1332780, 1377206, 1999170, 2065809, 2754412, 3443015, 3998340, 4131618, 6197427, 6886030, 8263236, 10329045, 12394854, 13772060, 20658090, 24789708, 30987135, 41316180, 61974270, 123948540]

約数ペア:

[(1, 123948540), (2, 61974270), (3, 41316180), (4, 30987135), (5, 24789708), (6, 20658090), (9, 13772060), (10, 12394854), (12, 10329045), (15, 8263236), (18, 6886030), (20, 6197427), (30, 4131618), (31, 3998340), (36, 3443015), (45, 2754412), (60, 2065809), (62, 1999170), (90, 1377206), (93, 1332780), (97, 1277820), (124, 999585), (155, 799668), (180, 688603), (186, 666390), (194, 638910), (229, 541260), (279, 444260), (291, 425940), (310, 399834), (372, 333195), (388, 319455), (458, 270630), (465, 266556), (485, 255564), (558, 222130), (582, 212970), (620, 199917), (687, 180420), (873, 141980), (916, 135315), (930, 133278), (970, 127782), (1116, 111065), (1145, 108252), (1164, 106485), (1374, 90210), (1395, 88852), (1455, 85188), (1746, 70990), (1860, 66639), (1940, 63891), (2061, 60140), (2290, 54126), (2748, 45105), (2790, 44426), (2910, 42594), (3007, 41220), (3435, 36084), (3492, 35495), (4122, 30070), (4365, 28396), (4580, 27063), (5580, 22213), (5820, 21297), (6014, 20610), (6870, 18042), (7099, 17460), (8244, 15035), (8730, 14198), (9021, 13740), (10305, 12028)]