215535420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:484

約数の個数: 144

約数和(自身を含む): 678787200

約数和(自身を除く): 463251780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 73, 90, 94, 141, 146, 180, 188, 219, 235, 282, 292, 349, 365, 423, 438, 470, 564, 657, 698, 705, 730, 846, 876, 940, 1047, 1095, 1314, 1396, 1410, 1460, 1692, 1745, 2094, 2115, 2190, 2628, 2820, 3141, 3285, 3431, 3490, 4188, 4230, 4380, 5235, 6282, 6570, 6862, 6980, 8460, 10293, 10470, 12564, 13140, 13724, 15705, 16403, 17155, 20586, 20940, 25477, 30879, 31410, 32806, 34310, 41172, 49209, 50954, 51465, 61758, 62820, 65612, 68620, 76431, 82015, 98418, 101908, 102930, 123516, 127385, 147627, 152862, 154395, 164030, 196836, 205860, 229293, 246045, 254770, 295254, 305724, 308790, 328060, 382155, 458586, 492090, 509540, 590508, 617580, 738135, 764310, 917172, 984180, 1146465, 1197419, 1476270, 1528620, 2292930, 2394838, 2952540, 3592257, 4585860, 4789676, 5987095, 7184514, 10776771, 11974190, 14369028, 17961285, 21553542, 23948380, 35922570, 43107084, 53883855, 71845140, 107767710, 215535420]

約数ペア:

[(1, 215535420), (2, 107767710), (3, 71845140), (4, 53883855), (5, 43107084), (6, 35922570), (9, 23948380), (10, 21553542), (12, 17961285), (15, 14369028), (18, 11974190), (20, 10776771), (30, 7184514), (36, 5987095), (45, 4789676), (47, 4585860), (60, 3592257), (73, 2952540), (90, 2394838), (94, 2292930), (141, 1528620), (146, 1476270), (180, 1197419), (188, 1146465), (219, 984180), (235, 917172), (282, 764310), (292, 738135), (349, 617580), (365, 590508), (423, 509540), (438, 492090), (470, 458586), (564, 382155), (657, 328060), (698, 308790), (705, 305724), (730, 295254), (846, 254770), (876, 246045), (940, 229293), (1047, 205860), (1095, 196836), (1314, 164030), (1396, 154395), (1410, 152862), (1460, 147627), (1692, 127385), (1745, 123516), (2094, 102930), (2115, 101908), (2190, 98418), (2628, 82015), (2820, 76431), (3141, 68620), (3285, 65612), (3431, 62820), (3490, 61758), (4188, 51465), (4230, 50954), (4380, 49209), (5235, 41172), (6282, 34310), (6570, 32806), (6862, 31410), (6980, 30879), (8460, 25477), (10293, 20940), (10470, 20586), (12564, 17155), (13140, 16403), (13724, 15705)]