20675515680

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{26153}}^1$

素因数の和:26241

約数の個数: 240

約数和(自身を含む): 74166362424

約数和(自身を除く): 53490846744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 72, 80, 81, 90, 96, 108, 120, 122, 135, 144, 160, 162, 180, 183, 216, 240, 244, 270, 288, 305, 324, 360, 366, 405, 432, 480, 488, 540, 549, 610, 648, 720, 732, 810, 864, 915, 976, 1080, 1098, 1220, 1296, 1440, 1464, 1620, 1647, 1830, 1952, 2160, 2196, 2440, 2592, 2745, 2928, 3240, 3294, 3660, 4320, 4392, 4880, 4941, 5490, 5856, 6480, 6588, 7320, 8235, 8784, 9760, 9882, 10980, 12960, 13176, 14640, 16470, 17568, 19764, 21960, 24705, 26153, 26352, 29280, 32940, 39528, 43920, 49410, 52306, 52704, 65880, 78459, 79056, 87840, 98820, 104612, 130765, 131760, 156918, 158112, 197640, 209224, 235377, 261530, 263520, 313836, 392295, 395280, 418448, 470754, 523060, 627672, 706131, 784590, 790560, 836896, 941508, 1046120, 1176885, 1255344, 1412262, 1569180, 1595333, 1883016, 2092240, 2118393, 2353770, 2510688, 2824524, 3138360, 3190666, 3530655, 3766032, 4184480, 4236786, 4707540, 4785999, 5649048, 6276720, 6381332, 7061310, 7532064, 7976665, 8473572, 9415080, 9571998, 10591965, 11298096, 12553440, 12762664, 14122620, 14357997, 15953330, 16947144, 18830160, 19143996, 21183930, 22596192, 23929995, 25525328, 28245240, 28715994, 31906660, 33894288, 37660320, 38287992, 42367860, 43073991, 47859990, 51050656, 56490480, 57431988, 63813320, 67788576, 71789985, 76575984, 84735720, 86147982, 95719980, 112980960, 114863976, 127626640, 129221973, 143579970, 153151968, 169471440, 172295964, 191439960, 215369955, 229727952, 255253280, 258443946, 287159940, 338942880, 344591928, 382879920, 430739910, 459455904, 516887892, 574319880, 646109865, 689183856, 765759840, 861479820, 1033775784, 1148639760, 1292219730, 1378367712, 1722959640, 2067551568, 2297279520, 2584439460, 3445919280, 4135103136, 5168878920, 6891838560, 10337757840, 20675515680]

約数ペア:

[(1, 20675515680), (2, 10337757840), (3, 6891838560), (4, 5168878920), (5, 4135103136), (6, 3445919280), (8, 2584439460), (9, 2297279520), (10, 2067551568), (12, 1722959640), (15, 1378367712), (16, 1292219730), (18, 1148639760), (20, 1033775784), (24, 861479820), (27, 765759840), (30, 689183856), (32, 646109865), (36, 574319880), (40, 516887892), (45, 459455904), (48, 430739910), (54, 382879920), (60, 344591928), (61, 338942880), (72, 287159940), (80, 258443946), (81, 255253280), (90, 229727952), (96, 215369955), (108, 191439960), (120, 172295964), (122, 169471440), (135, 153151968), (144, 143579970), (160, 129221973), (162, 127626640), (180, 114863976), (183, 112980960), (216, 95719980), (240, 86147982), (244, 84735720), (270, 76575984), (288, 71789985), (305, 67788576), (324, 63813320), (360, 57431988), (366, 56490480), (405, 51050656), (432, 47859990), (480, 43073991), (488, 42367860), (540, 38287992), (549, 37660320), (610, 33894288), (648, 31906660), (720, 28715994), (732, 28245240), (810, 25525328), (864, 23929995), (915, 22596192), (976, 21183930), (1080, 19143996), (1098, 18830160), (1220, 16947144), (1296, 15953330), (1440, 14357997), (1464, 14122620), (1620, 12762664), (1647, 12553440), (1830, 11298096), (1952, 10591965), (2160, 9571998), (2196, 9415080), (2440, 8473572), (2592, 7976665), (2745, 7532064), (2928, 7061310), (3240, 6381332), (3294, 6276720), (3660, 5649048), (4320, 4785999), (4392, 4707540), (4880, 4236786), (4941, 4184480), (5490, 3766032), (5856, 3530655), (6480, 3190666), (6588, 3138360), (7320, 2824524), (8235, 2510688), (8784, 2353770), (9760, 2118393), (9882, 2092240), (10980, 1883016), (12960, 1595333), (13176, 1569180), (14640, 1412262), (16470, 1255344), (17568, 1176885), (19764, 1046120), (21960, 941508), (24705, 836896), (26153, 790560), (26352, 784590), (29280, 706131), (32940, 627672), (39528, 523060), (43920, 470754), (49410, 418448), (52306, 395280), (52704, 392295), (65880, 313836), (78459, 263520), (79056, 261530), (87840, 235377), (98820, 209224), (104612, 197640), (130765, 158112), (131760, 156918)]