81279900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6947}}^1$

素因数の和:6980

約数の個数: 108

約数和(自身を含む): 274404312

約数和(自身を除く): 193124412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1950, 2340, 2925, 3900, 5850, 6947, 11700, 13894, 20841, 27788, 34735, 41682, 62523, 69470, 83364, 90311, 104205, 125046, 138940, 173675, 180622, 208410, 250092, 270933, 312615, 347350, 361244, 416820, 451555, 521025, 541866, 625230, 694700, 812799, 903110, 1042050, 1083732, 1250460, 1354665, 1563075, 1625598, 1806220, 2084100, 2257775, 2709330, 3126150, 3251196, 4063995, 4515550, 5418660, 6252300, 6773325, 8127990, 9031100, 13546650, 16255980, 20319975, 27093300, 40639950, 81279900]

約数ペア:

[(1, 81279900), (2, 40639950), (3, 27093300), (4, 20319975), (5, 16255980), (6, 13546650), (9, 9031100), (10, 8127990), (12, 6773325), (13, 6252300), (15, 5418660), (18, 4515550), (20, 4063995), (25, 3251196), (26, 3126150), (30, 2709330), (36, 2257775), (39, 2084100), (45, 1806220), (50, 1625598), (52, 1563075), (60, 1354665), (65, 1250460), (75, 1083732), (78, 1042050), (90, 903110), (100, 812799), (117, 694700), (130, 625230), (150, 541866), (156, 521025), (180, 451555), (195, 416820), (225, 361244), (234, 347350), (260, 312615), (300, 270933), (325, 250092), (390, 208410), (450, 180622), (468, 173675), (585, 138940), (650, 125046), (780, 104205), (900, 90311), (975, 83364), (1170, 69470), (1300, 62523), (1950, 41682), (2340, 34735), (2925, 27788), (3900, 20841), (5850, 13894), (6947, 11700)]