31365840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^2$

素因数の和:245

約数の個数: 120

約数和(自身を含む): 107055648

約数和(自身を除く): 75689808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 109, 110, 120, 132, 165, 176, 218, 220, 240, 264, 327, 330, 436, 440, 528, 545, 654, 660, 872, 880, 1090, 1199, 1308, 1320, 1635, 1744, 2180, 2398, 2616, 2640, 3270, 3597, 4360, 4796, 5232, 5995, 6540, 7194, 8720, 9592, 11881, 11990, 13080, 14388, 17985, 19184, 23762, 23980, 26160, 28776, 35643, 35970, 47524, 47960, 57552, 59405, 71286, 71940, 95048, 95920, 118810, 130691, 142572, 143880, 178215, 190096, 237620, 261382, 285144, 287760, 356430, 392073, 475240, 522764, 570288, 653455, 712860, 784146, 950480, 1045528, 1306910, 1425720, 1568292, 1960365, 2091056, 2613820, 2851440, 3136584, 3920730, 5227640, 6273168, 7841460, 10455280, 15682920, 31365840]

約数ペア:

[(1, 31365840), (2, 15682920), (3, 10455280), (4, 7841460), (5, 6273168), (6, 5227640), (8, 3920730), (10, 3136584), (11, 2851440), (12, 2613820), (15, 2091056), (16, 1960365), (20, 1568292), (22, 1425720), (24, 1306910), (30, 1045528), (33, 950480), (40, 784146), (44, 712860), (48, 653455), (55, 570288), (60, 522764), (66, 475240), (80, 392073), (88, 356430), (109, 287760), (110, 285144), (120, 261382), (132, 237620), (165, 190096), (176, 178215), (218, 143880), (220, 142572), (240, 130691), (264, 118810), (327, 95920), (330, 95048), (436, 71940), (440, 71286), (528, 59405), (545, 57552), (654, 47960), (660, 47524), (872, 35970), (880, 35643), (1090, 28776), (1199, 26160), (1308, 23980), (1320, 23762), (1635, 19184), (1744, 17985), (2180, 14388), (2398, 13080), (2616, 11990), (2640, 11881), (3270, 9592), (3597, 8720), (4360, 7194), (4796, 6540), (5232, 5995)]