12963320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 31600800

約数和(自身を除く): 18637480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 461, 703, 740, 760, 922, 1406, 1480, 1844, 2305, 2812, 3515, 3688, 4610, 5624, 7030, 8759, 9220, 14060, 17057, 17518, 18440, 28120, 34114, 35036, 43795, 68228, 70072, 85285, 87590, 136456, 170570, 175180, 324083, 341140, 350360, 648166, 682280, 1296332, 1620415, 2592664, 3240830, 6481660, 12963320]

約数ペア:

[(1, 12963320), (2, 6481660), (4, 3240830), (5, 2592664), (8, 1620415), (10, 1296332), (19, 682280), (20, 648166), (37, 350360), (38, 341140), (40, 324083), (74, 175180), (76, 170570), (95, 136456), (148, 87590), (152, 85285), (185, 70072), (190, 68228), (296, 43795), (370, 35036), (380, 34114), (461, 28120), (703, 18440), (740, 17518), (760, 17057), (922, 14060), (1406, 9220), (1480, 8759), (1844, 7030), (2305, 5624), (2812, 4610), (3515, 3688)]