81149520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:341

約数の個数: 160

約数和(自身を含む): 267911424

約数和(自身を除く): 186761904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 61, 69, 80, 92, 115, 120, 122, 138, 183, 184, 230, 240, 241, 244, 276, 305, 345, 366, 368, 460, 482, 488, 552, 610, 690, 723, 732, 915, 920, 964, 976, 1104, 1205, 1220, 1380, 1403, 1446, 1464, 1830, 1840, 1928, 2410, 2440, 2760, 2806, 2892, 2928, 3615, 3660, 3856, 4209, 4820, 4880, 5520, 5543, 5612, 5784, 7015, 7230, 7320, 8418, 9640, 11086, 11224, 11568, 14030, 14460, 14640, 14701, 16629, 16836, 19280, 21045, 22172, 22448, 27715, 28060, 28920, 29402, 33258, 33672, 42090, 44103, 44344, 55430, 56120, 57840, 58804, 66516, 67344, 73505, 83145, 84180, 88206, 88688, 110860, 112240, 117608, 133032, 147010, 166290, 168360, 176412, 220515, 221720, 235216, 266064, 294020, 332580, 336720, 338123, 352824, 441030, 443440, 588040, 665160, 676246, 705648, 882060, 1014369, 1176080, 1330320, 1352492, 1690615, 1764120, 2028738, 2704984, 3381230, 3528240, 4057476, 5071845, 5409968, 6762460, 8114952, 10143690, 13524920, 16229904, 20287380, 27049840, 40574760, 81149520]

約数ペア:

[(1, 81149520), (2, 40574760), (3, 27049840), (4, 20287380), (5, 16229904), (6, 13524920), (8, 10143690), (10, 8114952), (12, 6762460), (15, 5409968), (16, 5071845), (20, 4057476), (23, 3528240), (24, 3381230), (30, 2704984), (40, 2028738), (46, 1764120), (48, 1690615), (60, 1352492), (61, 1330320), (69, 1176080), (80, 1014369), (92, 882060), (115, 705648), (120, 676246), (122, 665160), (138, 588040), (183, 443440), (184, 441030), (230, 352824), (240, 338123), (241, 336720), (244, 332580), (276, 294020), (305, 266064), (345, 235216), (366, 221720), (368, 220515), (460, 176412), (482, 168360), (488, 166290), (552, 147010), (610, 133032), (690, 117608), (723, 112240), (732, 110860), (915, 88688), (920, 88206), (964, 84180), (976, 83145), (1104, 73505), (1205, 67344), (1220, 66516), (1380, 58804), (1403, 57840), (1446, 56120), (1464, 55430), (1830, 44344), (1840, 44103), (1928, 42090), (2410, 33672), (2440, 33258), (2760, 29402), (2806, 28920), (2892, 28060), (2928, 27715), (3615, 22448), (3660, 22172), (3856, 21045), (4209, 19280), (4820, 16836), (4880, 16629), (5520, 14701), (5543, 14640), (5612, 14460), (5784, 14030), (7015, 11568), (7230, 11224), (7320, 11086), (8418, 9640)]