205712640

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{2551}}^1$

素因数の和:2585

約数の個数: 216

約数和(自身を含む): 813740928

約数和(自身を除く): 608028288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2551, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5102, 5376, 5760, 6720, 7653, 8064, 8960, 10080, 10204, 11520, 12755, 13440, 15306, 16128, 17857, 20160, 20408, 22959, 25510, 26880, 30612, 35714, 38265, 40320, 40816, 45918, 51020, 53571, 61224, 71428, 76530, 80640, 81632, 89285, 91836, 102040, 107142, 114795, 122448, 142856, 153060, 160713, 163264, 178570, 183672, 204080, 214284, 229590, 244896, 267855, 285712, 306120, 321426, 326528, 357140, 367344, 408160, 428568, 459180, 489792, 535710, 571424, 612240, 642852, 653056, 714280, 734688, 803565, 816320, 857136, 918360, 979584, 1071420, 1142848, 1224480, 1285704, 1428560, 1469376, 1607130, 1632640, 1714272, 1836720, 1959168, 2142840, 2285696, 2448960, 2571408, 2857120, 2938752, 3214260, 3265280, 3428544, 3673440, 4285680, 4571392, 4897920, 5142816, 5714240, 5877504, 6428520, 6857088, 7346880, 8571360, 9795840, 10285632, 11428480, 12857040, 13714176, 14693760, 17142720, 20571264, 22856960, 25714080, 29387520, 34285440, 41142528, 51428160, 68570880, 102856320, 205712640]

約数ペア:

[(1, 205712640), (2, 102856320), (3, 68570880), (4, 51428160), (5, 41142528), (6, 34285440), (7, 29387520), (8, 25714080), (9, 22856960), (10, 20571264), (12, 17142720), (14, 14693760), (15, 13714176), (16, 12857040), (18, 11428480), (20, 10285632), (21, 9795840), (24, 8571360), (28, 7346880), (30, 6857088), (32, 6428520), (35, 5877504), (36, 5714240), (40, 5142816), (42, 4897920), (45, 4571392), (48, 4285680), (56, 3673440), (60, 3428544), (63, 3265280), (64, 3214260), (70, 2938752), (72, 2857120), (80, 2571408), (84, 2448960), (90, 2285696), (96, 2142840), (105, 1959168), (112, 1836720), (120, 1714272), (126, 1632640), (128, 1607130), (140, 1469376), (144, 1428560), (160, 1285704), (168, 1224480), (180, 1142848), (192, 1071420), (210, 979584), (224, 918360), (240, 857136), (252, 816320), (256, 803565), (280, 734688), (288, 714280), (315, 653056), (320, 642852), (336, 612240), (360, 571424), (384, 535710), (420, 489792), (448, 459180), (480, 428568), (504, 408160), (560, 367344), (576, 357140), (630, 326528), (640, 321426), (672, 306120), (720, 285712), (768, 267855), (840, 244896), (896, 229590), (960, 214284), (1008, 204080), (1120, 183672), (1152, 178570), (1260, 163264), (1280, 160713), (1344, 153060), (1440, 142856), (1680, 122448), (1792, 114795), (1920, 107142), (2016, 102040), (2240, 91836), (2304, 89285), (2520, 81632), (2551, 80640), (2688, 76530), (2880, 71428), (3360, 61224), (3840, 53571), (4032, 51020), (4480, 45918), (5040, 40816), (5102, 40320), (5376, 38265), (5760, 35714), (6720, 30612), (7653, 26880), (8064, 25510), (8960, 22959), (10080, 20408), (10204, 20160), (11520, 17857), (12755, 16128), (13440, 15306)]