257025960

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:910

約数の個数: 192

約数和(自身を含む): 895265280

約数和(自身を除く): 638239320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 243, 248, 270, 279, 310, 324, 360, 372, 405, 465, 486, 540, 558, 620, 648, 744, 810, 837, 853, 930, 972, 1080, 1116, 1215, 1240, 1395, 1620, 1674, 1706, 1860, 1944, 2232, 2430, 2511, 2559, 2790, 3240, 3348, 3412, 3720, 4185, 4265, 4860, 5022, 5118, 5580, 6696, 6824, 7533, 7677, 8370, 8530, 9720, 10044, 10236, 11160, 12555, 12795, 15066, 15354, 16740, 17060, 20088, 20472, 23031, 25110, 25590, 26443, 30132, 30708, 33480, 34120, 37665, 38385, 46062, 50220, 51180, 52886, 60264, 61416, 69093, 75330, 76770, 79329, 92124, 100440, 102360, 105772, 115155, 132215, 138186, 150660, 153540, 158658, 184248, 207279, 211544, 230310, 237987, 264430, 276372, 301320, 307080, 317316, 345465, 396645, 414558, 460620, 475974, 528860, 552744, 634632, 690930, 713961, 793290, 829116, 921240, 951948, 1036395, 1057720, 1189935, 1381860, 1427922, 1586580, 1658232, 1903896, 2072790, 2141883, 2379870, 2763720, 2855844, 3173160, 3569805, 4145580, 4283766, 4759740, 5711688, 6425649, 7139610, 8291160, 8567532, 9519480, 10709415, 12851298, 14279220, 17135064, 21418830, 25702596, 28558440, 32128245, 42837660, 51405192, 64256490, 85675320, 128512980, 257025960]

約数ペア:

[(1, 257025960), (2, 128512980), (3, 85675320), (4, 64256490), (5, 51405192), (6, 42837660), (8, 32128245), (9, 28558440), (10, 25702596), (12, 21418830), (15, 17135064), (18, 14279220), (20, 12851298), (24, 10709415), (27, 9519480), (30, 8567532), (31, 8291160), (36, 7139610), (40, 6425649), (45, 5711688), (54, 4759740), (60, 4283766), (62, 4145580), (72, 3569805), (81, 3173160), (90, 2855844), (93, 2763720), (108, 2379870), (120, 2141883), (124, 2072790), (135, 1903896), (155, 1658232), (162, 1586580), (180, 1427922), (186, 1381860), (216, 1189935), (243, 1057720), (248, 1036395), (270, 951948), (279, 921240), (310, 829116), (324, 793290), (360, 713961), (372, 690930), (405, 634632), (465, 552744), (486, 528860), (540, 475974), (558, 460620), (620, 414558), (648, 396645), (744, 345465), (810, 317316), (837, 307080), (853, 301320), (930, 276372), (972, 264430), (1080, 237987), (1116, 230310), (1215, 211544), (1240, 207279), (1395, 184248), (1620, 158658), (1674, 153540), (1706, 150660), (1860, 138186), (1944, 132215), (2232, 115155), (2430, 105772), (2511, 102360), (2559, 100440), (2790, 92124), (3240, 79329), (3348, 76770), (3412, 75330), (3720, 69093), (4185, 61416), (4265, 60264), (4860, 52886), (5022, 51180), (5118, 50220), (5580, 46062), (6696, 38385), (6824, 37665), (7533, 34120), (7677, 33480), (8370, 30708), (8530, 30132), (9720, 26443), (10044, 25590), (10236, 25110), (11160, 23031), (12555, 20472), (12795, 20088), (15066, 17060), (15354, 16740)]