231071280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 805469280

約数和(自身を除く): 574398000

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, 73, 80, 88, 109, 110, 120, 121, 132, 146, 165, 176, 218, 219, 220, 240, 242, 264, 292, 327, 330, 363, 365, 436, 438, 440, 484, 528, 545, 584, 605, 654, 660, 726, 730, 803, 872, 876, 880, 968, 1090, 1095, 1168, 1199, 1210, 1308, 1320, 1452, 1460, 1606, 1635, 1744, 1752, 1815, 1936, 2180, 2190, 2398, 2409, 2420, 2616, 2640, 2904, 2920, 3212, 3270, 3504, 3597, 3630, 4015, 4360, 4380, 4796, 4818, 4840, 5232, 5808, 5840, 5995, 6424, 6540, 7194, 7260, 7957, 8030, 8720, 8760, 8833, 9592, 9636, 9680, 11990, 12045, 12848, 13080, 13189, 14388, 14520, 15914, 16060, 17520, 17666, 17985, 19184, 19272, 23871, 23980, 24090, 26160, 26378, 26499, 28776, 29040, 31828, 32120, 35332, 35970, 38544, 39567, 39785, 44165, 47742, 47960, 48180, 52756, 52998, 57552, 63656, 64240, 65945, 70664, 71940, 79134, 79570, 87527, 88330, 95484, 95920, 96360, 105512, 105996, 119355, 127312, 131890, 132495, 141328, 143880, 158268, 159140, 175054, 176660, 190968, 192720, 197835, 211024, 211992, 238710, 262581, 263780, 264990, 287760, 316536, 318280, 350108, 353320, 381936, 395670, 423984, 437635, 477420, 525162, 527560, 529980, 633072, 636560, 700216, 706640, 791340, 875270, 954840, 962797, 1050324, 1055120, 1059960, 1312905, 1400432, 1582680, 1750540, 1909680, 1925594, 2100648, 2119920, 2625810, 2888391, 3165360, 3501080, 3851188, 4201296, 4813985, 5251620, 5776782, 7002160, 7702376, 9627970, 10503240, 11553564, 14441955, 15404752, 19255940, 21006480, 23107128, 28883910, 38511880, 46214256, 57767820, 77023760, 115535640, 231071280]

約数ペア:

[(1, 231071280), (2, 115535640), (3, 77023760), (4, 57767820), (5, 46214256), (6, 38511880), (8, 28883910), (10, 23107128), (11, 21006480), (12, 19255940), (15, 15404752), (16, 14441955), (20, 11553564), (22, 10503240), (24, 9627970), (30, 7702376), (33, 7002160), (40, 5776782), (44, 5251620), (48, 4813985), (55, 4201296), (60, 3851188), (66, 3501080), (73, 3165360), (80, 2888391), (88, 2625810), (109, 2119920), (110, 2100648), (120, 1925594), (121, 1909680), (132, 1750540), (146, 1582680), (165, 1400432), (176, 1312905), (218, 1059960), (219, 1055120), (220, 1050324), (240, 962797), (242, 954840), (264, 875270), (292, 791340), (327, 706640), (330, 700216), (363, 636560), (365, 633072), (436, 529980), (438, 527560), (440, 525162), (484, 477420), (528, 437635), (545, 423984), (584, 395670), (605, 381936), (654, 353320), (660, 350108), (726, 318280), (730, 316536), (803, 287760), (872, 264990), (876, 263780), (880, 262581), (968, 238710), (1090, 211992), (1095, 211024), (1168, 197835), (1199, 192720), (1210, 190968), (1308, 176660), (1320, 175054), (1452, 159140), (1460, 158268), (1606, 143880), (1635, 141328), (1744, 132495), (1752, 131890), (1815, 127312), (1936, 119355), (2180, 105996), (2190, 105512), (2398, 96360), (2409, 95920), (2420, 95484), (2616, 88330), (2640, 87527), (2904, 79570), (2920, 79134), (3212, 71940), (3270, 70664), (3504, 65945), (3597, 64240), (3630, 63656), (4015, 57552), (4360, 52998), (4380, 52756), (4796, 48180), (4818, 47960), (4840, 47742), (5232, 44165), (5808, 39785), (5840, 39567), (5995, 38544), (6424, 35970), (6540, 35332), (7194, 32120), (7260, 31828), (7957, 29040), (8030, 28776), (8720, 26499), (8760, 26378), (8833, 26160), (9592, 24090), (9636, 23980), (9680, 23871), (11990, 19272), (12045, 19184), (12848, 17985), (13080, 17666), (13189, 17520), (14388, 16060), (14520, 15914)]