61586820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 194987520

約数和(自身を除く): 133400700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 71, 79, 90, 122, 142, 158, 180, 183, 213, 237, 244, 284, 305, 316, 355, 366, 395, 426, 474, 549, 610, 639, 710, 711, 732, 790, 852, 915, 948, 1065, 1098, 1185, 1220, 1278, 1420, 1422, 1580, 1830, 2130, 2196, 2370, 2556, 2745, 2844, 3195, 3555, 3660, 4260, 4331, 4740, 4819, 5490, 5609, 6390, 7110, 8662, 9638, 10980, 11218, 12780, 12993, 14220, 14457, 16827, 17324, 19276, 21655, 22436, 24095, 25986, 28045, 28914, 33654, 38979, 43310, 43371, 48190, 50481, 51972, 56090, 57828, 64965, 67308, 72285, 77958, 84135, 86620, 86742, 96380, 100962, 112180, 129930, 144570, 155916, 168270, 173484, 194895, 201924, 216855, 252405, 259860, 289140, 336540, 342149, 389790, 433710, 504810, 684298, 779580, 867420, 1009620, 1026447, 1368596, 1710745, 2052894, 3079341, 3421490, 4105788, 5132235, 6158682, 6842980, 10264470, 12317364, 15396705, 20528940, 30793410, 61586820]

約数ペア:

[(1, 61586820), (2, 30793410), (3, 20528940), (4, 15396705), (5, 12317364), (6, 10264470), (9, 6842980), (10, 6158682), (12, 5132235), (15, 4105788), (18, 3421490), (20, 3079341), (30, 2052894), (36, 1710745), (45, 1368596), (60, 1026447), (61, 1009620), (71, 867420), (79, 779580), (90, 684298), (122, 504810), (142, 433710), (158, 389790), (180, 342149), (183, 336540), (213, 289140), (237, 259860), (244, 252405), (284, 216855), (305, 201924), (316, 194895), (355, 173484), (366, 168270), (395, 155916), (426, 144570), (474, 129930), (549, 112180), (610, 100962), (639, 96380), (710, 86742), (711, 86620), (732, 84135), (790, 77958), (852, 72285), (915, 67308), (948, 64965), (1065, 57828), (1098, 56090), (1185, 51972), (1220, 50481), (1278, 48190), (1420, 43371), (1422, 43310), (1580, 38979), (1830, 33654), (2130, 28914), (2196, 28045), (2370, 25986), (2556, 24095), (2745, 22436), (2844, 21655), (3195, 19276), (3555, 17324), (3660, 16827), (4260, 14457), (4331, 14220), (4740, 12993), (4819, 12780), (5490, 11218), (5609, 10980), (6390, 9638), (7110, 8662)]