79322720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:400

約数の個数: 96

約数和(自身を含む): 200037600

約数和(自身を除く): 120714880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 97, 152, 160, 190, 194, 269, 304, 380, 388, 485, 538, 608, 760, 776, 970, 1076, 1345, 1520, 1552, 1843, 1940, 2152, 2690, 3040, 3104, 3686, 3880, 4304, 5111, 5380, 7372, 7760, 8608, 9215, 10222, 10760, 14744, 15520, 18430, 20444, 21520, 25555, 26093, 29488, 36860, 40888, 43040, 51110, 52186, 58976, 73720, 81776, 102220, 104372, 130465, 147440, 163552, 204440, 208744, 260930, 294880, 408880, 417488, 495767, 521860, 817760, 834976, 991534, 1043720, 1983068, 2087440, 2478835, 3966136, 4174880, 4957670, 7932272, 9915340, 15864544, 19830680, 39661360, 79322720]

約数ペア:

[(1, 79322720), (2, 39661360), (4, 19830680), (5, 15864544), (8, 9915340), (10, 7932272), (16, 4957670), (19, 4174880), (20, 3966136), (32, 2478835), (38, 2087440), (40, 1983068), (76, 1043720), (80, 991534), (95, 834976), (97, 817760), (152, 521860), (160, 495767), (190, 417488), (194, 408880), (269, 294880), (304, 260930), (380, 208744), (388, 204440), (485, 163552), (538, 147440), (608, 130465), (760, 104372), (776, 102220), (970, 81776), (1076, 73720), (1345, 58976), (1520, 52186), (1552, 51110), (1843, 43040), (1940, 40888), (2152, 36860), (2690, 29488), (3040, 26093), (3104, 25555), (3686, 21520), (3880, 20444), (4304, 18430), (5111, 15520), (5380, 14744), (7372, 10760), (7760, 10222), (8608, 9215)]