1283538920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1$

素因数の和:907

約数の個数: 128

約数和(自身を含む): 3209068800

約数和(自身を除く): 1925529880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 97, 115, 152, 184, 190, 194, 230, 380, 388, 437, 460, 485, 757, 760, 776, 874, 920, 970, 1514, 1748, 1843, 1940, 2185, 2231, 3028, 3496, 3686, 3785, 3880, 4370, 4462, 6056, 7372, 7570, 8740, 8924, 9215, 11155, 14383, 14744, 15140, 17411, 17480, 17848, 18430, 22310, 28766, 30280, 34822, 36860, 42389, 44620, 57532, 69644, 71915, 73429, 73720, 84778, 87055, 89240, 115064, 139288, 143830, 146858, 169556, 174110, 211945, 287660, 293716, 330809, 339112, 348220, 367145, 423890, 575320, 587432, 661618, 696440, 734290, 847780, 1323236, 1395151, 1468580, 1654045, 1688867, 1695560, 2646472, 2790302, 2937160, 3308090, 3377734, 5580604, 6616180, 6755468, 6975755, 8444335, 11161208, 13232360, 13510936, 13951510, 16888670, 27903020, 32088473, 33777340, 55806040, 64176946, 67554680, 128353892, 160442365, 256707784, 320884730, 641769460, 1283538920]

約数ペア:

[(1, 1283538920), (2, 641769460), (4, 320884730), (5, 256707784), (8, 160442365), (10, 128353892), (19, 67554680), (20, 64176946), (23, 55806040), (38, 33777340), (40, 32088473), (46, 27903020), (76, 16888670), (92, 13951510), (95, 13510936), (97, 13232360), (115, 11161208), (152, 8444335), (184, 6975755), (190, 6755468), (194, 6616180), (230, 5580604), (380, 3377734), (388, 3308090), (437, 2937160), (460, 2790302), (485, 2646472), (757, 1695560), (760, 1688867), (776, 1654045), (874, 1468580), (920, 1395151), (970, 1323236), (1514, 847780), (1748, 734290), (1843, 696440), (1940, 661618), (2185, 587432), (2231, 575320), (3028, 423890), (3496, 367145), (3686, 348220), (3785, 339112), (3880, 330809), (4370, 293716), (4462, 287660), (6056, 211945), (7372, 174110), (7570, 169556), (8740, 146858), (8924, 143830), (9215, 139288), (11155, 115064), (14383, 89240), (14744, 87055), (15140, 84778), (17411, 73720), (17480, 73429), (17848, 71915), (18430, 69644), (22310, 57532), (28766, 44620), (30280, 42389), (34822, 36860)]