31513240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:433

約数の個数: 96

約数和(自身を含む): 82736640

約数和(自身を除く): 51223400

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 121, 136, 170, 187, 220, 242, 340, 374, 383, 440, 484, 605, 680, 748, 766, 935, 968, 1210, 1496, 1532, 1870, 1915, 2057, 2420, 3064, 3740, 3830, 4114, 4213, 4840, 6511, 7480, 7660, 8228, 8426, 10285, 13022, 15320, 16456, 16852, 20570, 21065, 26044, 32555, 33704, 41140, 42130, 46343, 52088, 65110, 71621, 82280, 84260, 92686, 130220, 143242, 168520, 185372, 231715, 260440, 286484, 358105, 370744, 463430, 572968, 716210, 787831, 926860, 1432420, 1575662, 1853720, 2864840, 3151324, 3939155, 6302648, 7878310, 15756620, 31513240]

約数ペア:

[(1, 31513240), (2, 15756620), (4, 7878310), (5, 6302648), (8, 3939155), (10, 3151324), (11, 2864840), (17, 1853720), (20, 1575662), (22, 1432420), (34, 926860), (40, 787831), (44, 716210), (55, 572968), (68, 463430), (85, 370744), (88, 358105), (110, 286484), (121, 260440), (136, 231715), (170, 185372), (187, 168520), (220, 143242), (242, 130220), (340, 92686), (374, 84260), (383, 82280), (440, 71621), (484, 65110), (605, 52088), (680, 46343), (748, 42130), (766, 41140), (935, 33704), (968, 32555), (1210, 26044), (1496, 21065), (1532, 20570), (1870, 16852), (1915, 16456), (2057, 15320), (2420, 13022), (3064, 10285), (3740, 8426), (3830, 8228), (4114, 7660), (4213, 7480), (4840, 6511)]