243142920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21787}}^1$

素因数の和:21835

約数の個数: 96

約数和(自身を含む): 815742720

約数和(自身を除く): 572599800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 21787, 43574, 65361, 87148, 108935, 130722, 174296, 196083, 217870, 261444, 326805, 392166, 435740, 522888, 653610, 675397, 784332, 871480, 980415, 1307220, 1350794, 1568664, 1960830, 2026191, 2614440, 2701588, 3376985, 3921660, 4052382, 5403176, 6078573, 6753970, 7843320, 8104764, 10130955, 12157146, 13507940, 16209528, 20261910, 24314292, 27015880, 30392865, 40523820, 48628584, 60785730, 81047640, 121571460, 243142920]

約数ペア:

[(1, 243142920), (2, 121571460), (3, 81047640), (4, 60785730), (5, 48628584), (6, 40523820), (8, 30392865), (9, 27015880), (10, 24314292), (12, 20261910), (15, 16209528), (18, 13507940), (20, 12157146), (24, 10130955), (30, 8104764), (31, 7843320), (36, 6753970), (40, 6078573), (45, 5403176), (60, 4052382), (62, 3921660), (72, 3376985), (90, 2701588), (93, 2614440), (120, 2026191), (124, 1960830), (155, 1568664), (180, 1350794), (186, 1307220), (248, 980415), (279, 871480), (310, 784332), (360, 675397), (372, 653610), (465, 522888), (558, 435740), (620, 392166), (744, 326805), (930, 261444), (1116, 217870), (1240, 196083), (1395, 174296), (1860, 130722), (2232, 108935), (2790, 87148), (3720, 65361), (5580, 43574), (11160, 21787)]