71528760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{461}}^1$

素因数の和:909

約数の個数: 96

約数和(自身を含む): 233513280

約数和(自身を除く): 161984520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 431, 461, 862, 922, 1293, 1383, 1724, 1844, 2155, 2305, 2586, 2766, 3448, 3688, 3879, 4149, 4310, 4610, 5172, 5532, 6465, 6915, 7758, 8298, 8620, 9220, 10344, 11064, 12930, 13830, 15516, 16596, 17240, 18440, 19395, 20745, 25860, 27660, 31032, 33192, 38790, 41490, 51720, 55320, 77580, 82980, 155160, 165960, 198691, 397382, 596073, 794764, 993455, 1192146, 1589528, 1788219, 1986910, 2384292, 2980365, 3576438, 3973820, 4768584, 5960730, 7152876, 7947640, 8941095, 11921460, 14305752, 17882190, 23842920, 35764380, 71528760]

約数ペア:

[(1, 71528760), (2, 35764380), (3, 23842920), (4, 17882190), (5, 14305752), (6, 11921460), (8, 8941095), (9, 7947640), (10, 7152876), (12, 5960730), (15, 4768584), (18, 3973820), (20, 3576438), (24, 2980365), (30, 2384292), (36, 1986910), (40, 1788219), (45, 1589528), (60, 1192146), (72, 993455), (90, 794764), (120, 596073), (180, 397382), (360, 198691), (431, 165960), (461, 155160), (862, 82980), (922, 77580), (1293, 55320), (1383, 51720), (1724, 41490), (1844, 38790), (2155, 33192), (2305, 31032), (2586, 27660), (2766, 25860), (3448, 20745), (3688, 19395), (3879, 18440), (4149, 17240), (4310, 16596), (4610, 15516), (5172, 13830), (5532, 12930), (6465, 11064), (6915, 10344), (7758, 9220), (8298, 8620)]