280978308

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3511}}^1$

素因数の和:3559

約数の個数: 120

約数和(自身を含む): 832905920

約数和(自身を除く): 551927612

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 81, 108, 114, 117, 156, 162, 171, 228, 234, 247, 324, 342, 351, 468, 494, 513, 684, 702, 741, 988, 1026, 1053, 1404, 1482, 1539, 2052, 2106, 2223, 2964, 3078, 3511, 4212, 4446, 6156, 6669, 7022, 8892, 10533, 13338, 14044, 20007, 21066, 26676, 31599, 40014, 42132, 45643, 63198, 66709, 80028, 91286, 94797, 126396, 133418, 136929, 182572, 189594, 200127, 266836, 273858, 284391, 379188, 400254, 410787, 547716, 568782, 600381, 800508, 821574, 867217, 1137564, 1200762, 1232361, 1643148, 1734434, 1801143, 2401524, 2464722, 2601651, 3468868, 3602286, 3697083, 4929444, 5203302, 5403429, 7204572, 7394166, 7804953, 10406604, 10806858, 14788332, 15609906, 21613716, 23414859, 31219812, 46829718, 70244577, 93659436, 140489154, 280978308]

約数ペア:

[(1, 280978308), (2, 140489154), (3, 93659436), (4, 70244577), (6, 46829718), (9, 31219812), (12, 23414859), (13, 21613716), (18, 15609906), (19, 14788332), (26, 10806858), (27, 10406604), (36, 7804953), (38, 7394166), (39, 7204572), (52, 5403429), (54, 5203302), (57, 4929444), (76, 3697083), (78, 3602286), (81, 3468868), (108, 2601651), (114, 2464722), (117, 2401524), (156, 1801143), (162, 1734434), (171, 1643148), (228, 1232361), (234, 1200762), (247, 1137564), (324, 867217), (342, 821574), (351, 800508), (468, 600381), (494, 568782), (513, 547716), (684, 410787), (702, 400254), (741, 379188), (988, 284391), (1026, 273858), (1053, 266836), (1404, 200127), (1482, 189594), (1539, 182572), (2052, 136929), (2106, 133418), (2223, 126396), (2964, 94797), (3078, 91286), (3511, 80028), (4212, 66709), (4446, 63198), (6156, 45643), (6669, 42132), (7022, 40014), (8892, 31599), (10533, 26676), (13338, 21066), (14044, 20007)]