51485040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3109}}^1$

素因数の和:3151

約数の個数: 120

約数和(自身を含む): 180479520

約数和(自身を除く): 128994480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3109, 3312, 4140, 5520, 6218, 8280, 9327, 12436, 15545, 16560, 18654, 24872, 27981, 31090, 37308, 46635, 49744, 55962, 62180, 71507, 74616, 93270, 111924, 124360, 139905, 143014, 149232, 186540, 214521, 223848, 248720, 279810, 286028, 357535, 373080, 429042, 447696, 559620, 572056, 643563, 715070, 746160, 858084, 1072605, 1119240, 1144112, 1287126, 1430140, 1716168, 2145210, 2238480, 2574252, 2860280, 3217815, 3432336, 4290420, 5148504, 5720560, 6435630, 8580840, 10297008, 12871260, 17161680, 25742520, 51485040]

約数ペア:

[(1, 51485040), (2, 25742520), (3, 17161680), (4, 12871260), (5, 10297008), (6, 8580840), (8, 6435630), (9, 5720560), (10, 5148504), (12, 4290420), (15, 3432336), (16, 3217815), (18, 2860280), (20, 2574252), (23, 2238480), (24, 2145210), (30, 1716168), (36, 1430140), (40, 1287126), (45, 1144112), (46, 1119240), (48, 1072605), (60, 858084), (69, 746160), (72, 715070), (80, 643563), (90, 572056), (92, 559620), (115, 447696), (120, 429042), (138, 373080), (144, 357535), (180, 286028), (184, 279810), (207, 248720), (230, 223848), (240, 214521), (276, 186540), (345, 149232), (360, 143014), (368, 139905), (414, 124360), (460, 111924), (552, 93270), (690, 74616), (720, 71507), (828, 62180), (920, 55962), (1035, 49744), (1104, 46635), (1380, 37308), (1656, 31090), (1840, 27981), (2070, 24872), (2760, 18654), (3109, 16560), (3312, 15545), (4140, 12436), (5520, 9327), (6218, 8280)]