255833640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{281}}^2$

素因数の和:585

約数の個数: 120

約数和(自身を含む): 862956270

約数和(自身を除く): 607122630

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 281, 324, 360, 405, 540, 562, 648, 810, 843, 1080, 1124, 1405, 1620, 1686, 2248, 2529, 2810, 3240, 3372, 4215, 5058, 5620, 6744, 7587, 8430, 10116, 11240, 12645, 15174, 16860, 20232, 22761, 25290, 30348, 33720, 37935, 45522, 50580, 60696, 75870, 78961, 91044, 101160, 113805, 151740, 157922, 182088, 227610, 236883, 303480, 315844, 394805, 455220, 473766, 631688, 710649, 789610, 910440, 947532, 1184415, 1421298, 1579220, 1895064, 2131947, 2368830, 2842596, 3158440, 3553245, 4263894, 4737660, 5685192, 6395841, 7106490, 8527788, 9475320, 10659735, 12791682, 14212980, 17055576, 21319470, 25583364, 28425960, 31979205, 42638940, 51166728, 63958410, 85277880, 127916820, 255833640]

約数ペア:

[(1, 255833640), (2, 127916820), (3, 85277880), (4, 63958410), (5, 51166728), (6, 42638940), (8, 31979205), (9, 28425960), (10, 25583364), (12, 21319470), (15, 17055576), (18, 14212980), (20, 12791682), (24, 10659735), (27, 9475320), (30, 8527788), (36, 7106490), (40, 6395841), (45, 5685192), (54, 4737660), (60, 4263894), (72, 3553245), (81, 3158440), (90, 2842596), (108, 2368830), (120, 2131947), (135, 1895064), (162, 1579220), (180, 1421298), (216, 1184415), (270, 947532), (281, 910440), (324, 789610), (360, 710649), (405, 631688), (540, 473766), (562, 455220), (648, 394805), (810, 315844), (843, 303480), (1080, 236883), (1124, 227610), (1405, 182088), (1620, 157922), (1686, 151740), (2248, 113805), (2529, 101160), (2810, 91044), (3240, 78961), (3372, 75870), (4215, 60696), (5058, 50580), (5620, 45522), (6744, 37935), (7587, 33720), (8430, 30348), (10116, 25290), (11240, 22761), (12645, 20232), (15174, 16860)]