12620120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 30624480

約数和(自身を除く): 18004360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 277, 335, 340, 536, 554, 670, 680, 1108, 1139, 1340, 1385, 2216, 2278, 2680, 2770, 4556, 4709, 5540, 5695, 9112, 9418, 11080, 11390, 18559, 18836, 22780, 23545, 37118, 37672, 45560, 47090, 74236, 92795, 94180, 148472, 185590, 188360, 315503, 371180, 631006, 742360, 1262012, 1577515, 2524024, 3155030, 6310060, 12620120]

約数ペア:

[(1, 12620120), (2, 6310060), (4, 3155030), (5, 2524024), (8, 1577515), (10, 1262012), (17, 742360), (20, 631006), (34, 371180), (40, 315503), (67, 188360), (68, 185590), (85, 148472), (134, 94180), (136, 92795), (170, 74236), (268, 47090), (277, 45560), (335, 37672), (340, 37118), (536, 23545), (554, 22780), (670, 18836), (680, 18559), (1108, 11390), (1139, 11080), (1340, 9418), (1385, 9112), (2216, 5695), (2278, 5540), (2680, 4709), (2770, 4556)]