72481968

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1307

約数の個数: 120

約数和(自身を含む): 225680000

約数和(自身を除く): 153198032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 93, 104, 117, 124, 144, 156, 186, 208, 234, 248, 279, 312, 372, 403, 468, 496, 558, 624, 744, 806, 936, 1116, 1209, 1249, 1488, 1612, 1872, 2232, 2418, 2498, 3224, 3627, 3747, 4464, 4836, 4996, 6448, 7254, 7494, 9672, 9992, 11241, 14508, 14988, 16237, 19344, 19984, 22482, 29016, 29976, 32474, 38719, 44964, 48711, 58032, 59952, 64948, 77438, 89928, 97422, 116157, 129896, 146133, 154876, 179856, 194844, 232314, 259792, 292266, 309752, 348471, 389688, 464628, 503347, 584532, 619504, 696942, 779376, 929256, 1006694, 1169064, 1393884, 1510041, 1858512, 2013388, 2338128, 2787768, 3020082, 4026776, 4530123, 5575536, 6040164, 8053552, 9060246, 12080328, 18120492, 24160656, 36240984, 72481968]

約数ペア:

[(1, 72481968), (2, 36240984), (3, 24160656), (4, 18120492), (6, 12080328), (8, 9060246), (9, 8053552), (12, 6040164), (13, 5575536), (16, 4530123), (18, 4026776), (24, 3020082), (26, 2787768), (31, 2338128), (36, 2013388), (39, 1858512), (48, 1510041), (52, 1393884), (62, 1169064), (72, 1006694), (78, 929256), (93, 779376), (104, 696942), (117, 619504), (124, 584532), (144, 503347), (156, 464628), (186, 389688), (208, 348471), (234, 309752), (248, 292266), (279, 259792), (312, 232314), (372, 194844), (403, 179856), (468, 154876), (496, 146133), (558, 129896), (624, 116157), (744, 97422), (806, 89928), (936, 77438), (1116, 64948), (1209, 59952), (1249, 58032), (1488, 48711), (1612, 44964), (1872, 38719), (2232, 32474), (2418, 29976), (2498, 29016), (3224, 22482), (3627, 19984), (3747, 19344), (4464, 16237), (4836, 14988), (4996, 14508), (6448, 11241), (7254, 9992), (7494, 9672)]