255548520

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:518

約数の個数: 192

約数和(自身を含む): 877443840

約数和(自身を除く): 621895320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 81, 90, 108, 120, 122, 135, 162, 180, 183, 216, 243, 244, 270, 305, 324, 360, 366, 405, 431, 486, 488, 540, 549, 610, 648, 732, 810, 862, 915, 972, 1080, 1098, 1215, 1220, 1293, 1464, 1620, 1647, 1724, 1830, 1944, 2155, 2196, 2430, 2440, 2586, 2745, 3240, 3294, 3448, 3660, 3879, 4310, 4392, 4860, 4941, 5172, 5490, 6465, 6588, 7320, 7758, 8235, 8620, 9720, 9882, 10344, 10980, 11637, 12930, 13176, 14823, 15516, 16470, 17240, 19395, 19764, 21960, 23274, 24705, 25860, 26291, 29646, 31032, 32940, 34911, 38790, 39528, 46548, 49410, 51720, 52582, 58185, 59292, 65880, 69822, 74115, 77580, 78873, 93096, 98820, 104733, 105164, 116370, 118584, 131455, 139644, 148230, 155160, 157746, 174555, 197640, 209466, 210328, 232740, 236619, 262910, 279288, 296460, 315492, 349110, 394365, 418932, 465480, 473238, 523665, 525820, 592920, 630984, 698220, 709857, 788730, 837864, 946476, 1047330, 1051640, 1183095, 1396440, 1419714, 1577460, 1892952, 2094660, 2129571, 2366190, 2839428, 3154920, 3549285, 4189320, 4259142, 4732380, 5678856, 6388713, 7098570, 8518284, 9464760, 10647855, 12777426, 14197140, 17036568, 21295710, 25554852, 28394280, 31943565, 42591420, 51109704, 63887130, 85182840, 127774260, 255548520]

約数ペア:

[(1, 255548520), (2, 127774260), (3, 85182840), (4, 63887130), (5, 51109704), (6, 42591420), (8, 31943565), (9, 28394280), (10, 25554852), (12, 21295710), (15, 17036568), (18, 14197140), (20, 12777426), (24, 10647855), (27, 9464760), (30, 8518284), (36, 7098570), (40, 6388713), (45, 5678856), (54, 4732380), (60, 4259142), (61, 4189320), (72, 3549285), (81, 3154920), (90, 2839428), (108, 2366190), (120, 2129571), (122, 2094660), (135, 1892952), (162, 1577460), (180, 1419714), (183, 1396440), (216, 1183095), (243, 1051640), (244, 1047330), (270, 946476), (305, 837864), (324, 788730), (360, 709857), (366, 698220), (405, 630984), (431, 592920), (486, 525820), (488, 523665), (540, 473238), (549, 465480), (610, 418932), (648, 394365), (732, 349110), (810, 315492), (862, 296460), (915, 279288), (972, 262910), (1080, 236619), (1098, 232740), (1215, 210328), (1220, 209466), (1293, 197640), (1464, 174555), (1620, 157746), (1647, 155160), (1724, 148230), (1830, 139644), (1944, 131455), (2155, 118584), (2196, 116370), (2430, 105164), (2440, 104733), (2586, 98820), (2745, 93096), (3240, 78873), (3294, 77580), (3448, 74115), (3660, 69822), (3879, 65880), (4310, 59292), (4392, 58185), (4860, 52582), (4941, 51720), (5172, 49410), (5490, 46548), (6465, 39528), (6588, 38790), (7320, 34911), (7758, 32940), (8235, 31032), (8620, 29646), (9720, 26291), (9882, 25860), (10344, 24705), (10980, 23274), (11637, 21960), (12930, 19764), (13176, 19395), (14823, 17240), (15516, 16470)]