228871760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{229}}^1$

素因数の和:317

約数の個数: 120

約数和(自身を含む): 594727560

約数和(自身を除く): 365855800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 229, 248, 260, 310, 403, 458, 496, 520, 620, 806, 916, 961, 1040, 1145, 1240, 1612, 1832, 1922, 2015, 2290, 2480, 2977, 3224, 3664, 3844, 4030, 4580, 4805, 5954, 6448, 7099, 7688, 8060, 9160, 9610, 11908, 12493, 14198, 14885, 15376, 16120, 18320, 19220, 23816, 24986, 28396, 29770, 32240, 35495, 38440, 47632, 49972, 56792, 59540, 62465, 70990, 76880, 92287, 99944, 113584, 119080, 124930, 141980, 184574, 199888, 220069, 238160, 249860, 283960, 369148, 440138, 461435, 499720, 567920, 738296, 880276, 922870, 999440, 1100345, 1476592, 1760552, 1845740, 2200690, 2860897, 3521104, 3691480, 4401380, 5721794, 7382960, 8802760, 11443588, 14304485, 17605520, 22887176, 28608970, 45774352, 57217940, 114435880, 228871760]

約数ペア:

[(1, 228871760), (2, 114435880), (4, 57217940), (5, 45774352), (8, 28608970), (10, 22887176), (13, 17605520), (16, 14304485), (20, 11443588), (26, 8802760), (31, 7382960), (40, 5721794), (52, 4401380), (62, 3691480), (65, 3521104), (80, 2860897), (104, 2200690), (124, 1845740), (130, 1760552), (155, 1476592), (208, 1100345), (229, 999440), (248, 922870), (260, 880276), (310, 738296), (403, 567920), (458, 499720), (496, 461435), (520, 440138), (620, 369148), (806, 283960), (916, 249860), (961, 238160), (1040, 220069), (1145, 199888), (1240, 184574), (1612, 141980), (1832, 124930), (1922, 119080), (2015, 113584), (2290, 99944), (2480, 92287), (2977, 76880), (3224, 70990), (3664, 62465), (3844, 59540), (4030, 56792), (4580, 49972), (4805, 47632), (5954, 38440), (6448, 35495), (7099, 32240), (7688, 29770), (8060, 28396), (9160, 24986), (9610, 23816), (11908, 19220), (12493, 18320), (14198, 16120), (14885, 15376)]