81135120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:521

約数の個数: 160

約数和(自身を含む): 278803584

約数和(自身を除く): 197668464

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, 110, 120, 132, 146, 165, 176, 219, 220, 240, 264, 292, 330, 365, 421, 438, 440, 528, 584, 660, 730, 803, 842, 876, 880, 1095, 1168, 1263, 1320, 1460, 1606, 1684, 1752, 2105, 2190, 2409, 2526, 2640, 2920, 3212, 3368, 3504, 4015, 4210, 4380, 4631, 4818, 5052, 5840, 6315, 6424, 6736, 8030, 8420, 8760, 9262, 9636, 10104, 12045, 12630, 12848, 13893, 16060, 16840, 17520, 18524, 19272, 20208, 23155, 24090, 25260, 27786, 30733, 32120, 33680, 37048, 38544, 46310, 48180, 50520, 55572, 61466, 64240, 69465, 74096, 92199, 92620, 96360, 101040, 111144, 122932, 138930, 153665, 184398, 185240, 192720, 222288, 245864, 277860, 307330, 338063, 368796, 370480, 460995, 491728, 555720, 614660, 676126, 737592, 921990, 1014189, 1111440, 1229320, 1352252, 1475184, 1690315, 1843980, 2028378, 2458640, 2704504, 3380630, 3687960, 4056756, 5070945, 5409008, 6761260, 7375920, 8113512, 10141890, 13522520, 16227024, 20283780, 27045040, 40567560, 81135120]

約数ペア:

[(1, 81135120), (2, 40567560), (3, 27045040), (4, 20283780), (5, 16227024), (6, 13522520), (8, 10141890), (10, 8113512), (11, 7375920), (12, 6761260), (15, 5409008), (16, 5070945), (20, 4056756), (22, 3687960), (24, 3380630), (30, 2704504), (33, 2458640), (40, 2028378), (44, 1843980), (48, 1690315), (55, 1475184), (60, 1352252), (66, 1229320), (73, 1111440), (80, 1014189), (88, 921990), (110, 737592), (120, 676126), (132, 614660), (146, 555720), (165, 491728), (176, 460995), (219, 370480), (220, 368796), (240, 338063), (264, 307330), (292, 277860), (330, 245864), (365, 222288), (421, 192720), (438, 185240), (440, 184398), (528, 153665), (584, 138930), (660, 122932), (730, 111144), (803, 101040), (842, 96360), (876, 92620), (880, 92199), (1095, 74096), (1168, 69465), (1263, 64240), (1320, 61466), (1460, 55572), (1606, 50520), (1684, 48180), (1752, 46310), (2105, 38544), (2190, 37048), (2409, 33680), (2526, 32120), (2640, 30733), (2920, 27786), (3212, 25260), (3368, 24090), (3504, 23155), (4015, 20208), (4210, 19272), (4380, 18524), (4631, 17520), (4818, 16840), (5052, 16060), (5840, 13893), (6315, 12848), (6424, 12630), (6736, 12045), (8030, 10104), (8420, 9636), (8760, 9262)]