68718060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 223292160

約数和(自身を除く): 154574100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 76, 90, 95, 114, 142, 171, 180, 190, 213, 228, 283, 284, 285, 342, 355, 380, 426, 566, 570, 639, 684, 710, 849, 852, 855, 1065, 1132, 1140, 1278, 1349, 1415, 1420, 1698, 1710, 2130, 2547, 2556, 2698, 2830, 3195, 3396, 3420, 4047, 4245, 4260, 5094, 5377, 5396, 5660, 6390, 6745, 8094, 8490, 10188, 10754, 12141, 12735, 12780, 13490, 16131, 16188, 16980, 20093, 20235, 21508, 24282, 25470, 26885, 26980, 32262, 40186, 40470, 48393, 48564, 50940, 53770, 60279, 60705, 64524, 80372, 80655, 80940, 96786, 100465, 107540, 120558, 121410, 161310, 180837, 193572, 200930, 241116, 241965, 242820, 301395, 322620, 361674, 381767, 401860, 483930, 602790, 723348, 763534, 904185, 967860, 1145301, 1205580, 1527068, 1808370, 1908835, 2290602, 3435903, 3616740, 3817670, 4581204, 5726505, 6871806, 7635340, 11453010, 13743612, 17179515, 22906020, 34359030, 68718060]

約数ペア:

[(1, 68718060), (2, 34359030), (3, 22906020), (4, 17179515), (5, 13743612), (6, 11453010), (9, 7635340), (10, 6871806), (12, 5726505), (15, 4581204), (18, 3817670), (19, 3616740), (20, 3435903), (30, 2290602), (36, 1908835), (38, 1808370), (45, 1527068), (57, 1205580), (60, 1145301), (71, 967860), (76, 904185), (90, 763534), (95, 723348), (114, 602790), (142, 483930), (171, 401860), (180, 381767), (190, 361674), (213, 322620), (228, 301395), (283, 242820), (284, 241965), (285, 241116), (342, 200930), (355, 193572), (380, 180837), (426, 161310), (566, 121410), (570, 120558), (639, 107540), (684, 100465), (710, 96786), (849, 80940), (852, 80655), (855, 80372), (1065, 64524), (1132, 60705), (1140, 60279), (1278, 53770), (1349, 50940), (1415, 48564), (1420, 48393), (1698, 40470), (1710, 40186), (2130, 32262), (2547, 26980), (2556, 26885), (2698, 25470), (2830, 24282), (3195, 21508), (3396, 20235), (3420, 20093), (4047, 16980), (4245, 16188), (4260, 16131), (5094, 13490), (5377, 12780), (5396, 12735), (5660, 12141), (6390, 10754), (6745, 10188), (8094, 8490)]