81293550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:962

約数の個数: 96

約数和(自身を含む): 221985792

約数和(自身を除く): 140692242

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 47, 50, 65, 75, 78, 94, 130, 141, 150, 195, 235, 282, 325, 390, 470, 611, 650, 705, 887, 975, 1175, 1222, 1410, 1774, 1833, 1950, 2350, 2661, 3055, 3525, 3666, 4435, 5322, 6110, 7050, 8870, 9165, 11531, 13305, 15275, 18330, 22175, 23062, 26610, 30550, 34593, 41689, 44350, 45825, 57655, 66525, 69186, 83378, 91650, 115310, 125067, 133050, 172965, 208445, 250134, 288275, 345930, 416890, 541957, 576550, 625335, 864825, 1042225, 1083914, 1250670, 1625871, 1729650, 2084450, 2709785, 3126675, 3251742, 5419570, 6253350, 8129355, 13548925, 16258710, 27097850, 40646775, 81293550]

約数ペア:

[(1, 81293550), (2, 40646775), (3, 27097850), (5, 16258710), (6, 13548925), (10, 8129355), (13, 6253350), (15, 5419570), (25, 3251742), (26, 3126675), (30, 2709785), (39, 2084450), (47, 1729650), (50, 1625871), (65, 1250670), (75, 1083914), (78, 1042225), (94, 864825), (130, 625335), (141, 576550), (150, 541957), (195, 416890), (235, 345930), (282, 288275), (325, 250134), (390, 208445), (470, 172965), (611, 133050), (650, 125067), (705, 115310), (887, 91650), (975, 83378), (1175, 69186), (1222, 66525), (1410, 57655), (1774, 45825), (1833, 44350), (1950, 41689), (2350, 34593), (2661, 30550), (3055, 26610), (3525, 23062), (3666, 22175), (4435, 18330), (5322, 15275), (6110, 13305), (7050, 11531), (8870, 9165)]