138905040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1861}}^1$

素因数の和:2188

約数の個数: 80

約数和(自身を含む): 432222336

約数和(自身を除く): 293317296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 311, 622, 933, 1244, 1555, 1861, 1866, 2488, 3110, 3722, 3732, 4665, 4976, 5583, 6220, 7444, 7464, 9305, 9330, 11166, 12440, 14888, 14928, 18610, 18660, 22332, 24880, 27915, 29776, 37220, 37320, 44664, 55830, 74440, 74640, 89328, 111660, 148880, 223320, 446640, 578771, 1157542, 1736313, 2315084, 2893855, 3472626, 4630168, 5787710, 6945252, 8681565, 9260336, 11575420, 13890504, 17363130, 23150840, 27781008, 34726260, 46301680, 69452520, 138905040]

約数ペア:

[(1, 138905040), (2, 69452520), (3, 46301680), (4, 34726260), (5, 27781008), (6, 23150840), (8, 17363130), (10, 13890504), (12, 11575420), (15, 9260336), (16, 8681565), (20, 6945252), (24, 5787710), (30, 4630168), (40, 3472626), (48, 2893855), (60, 2315084), (80, 1736313), (120, 1157542), (240, 578771), (311, 446640), (622, 223320), (933, 148880), (1244, 111660), (1555, 89328), (1861, 74640), (1866, 74440), (2488, 55830), (3110, 44664), (3722, 37320), (3732, 37220), (4665, 29776), (4976, 27915), (5583, 24880), (6220, 22332), (7444, 18660), (7464, 18610), (9305, 14928), (9330, 14888), (11166, 12440)]