1321240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 3304800

約数和(自身を除く): 1983560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 67, 68, 85, 116, 134, 136, 145, 170, 232, 268, 290, 335, 340, 493, 536, 580, 670, 680, 986, 1139, 1160, 1340, 1943, 1972, 2278, 2465, 2680, 3886, 3944, 4556, 4930, 5695, 7772, 9112, 9715, 9860, 11390, 15544, 19430, 19720, 22780, 33031, 38860, 45560, 66062, 77720, 132124, 165155, 264248, 330310, 660620, 1321240]

約数ペア:

[(1, 1321240), (2, 660620), (4, 330310), (5, 264248), (8, 165155), (10, 132124), (17, 77720), (20, 66062), (29, 45560), (34, 38860), (40, 33031), (58, 22780), (67, 19720), (68, 19430), (85, 15544), (116, 11390), (134, 9860), (136, 9715), (145, 9112), (170, 7772), (232, 5695), (268, 4930), (290, 4556), (335, 3944), (340, 3886), (493, 2680), (536, 2465), (580, 2278), (670, 1972), (680, 1943), (986, 1340), (1139, 1160)]