81807090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2237}}^1$

素因数の和:2323

約数の個数: 64

約数和(自身を含む): 208832256

約数和(自身を除く): 127025166

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 53, 69, 106, 115, 138, 159, 230, 265, 318, 345, 530, 690, 795, 1219, 1590, 2237, 2438, 3657, 4474, 6095, 6711, 7314, 11185, 12190, 13422, 18285, 22370, 33555, 36570, 51451, 67110, 102902, 118561, 154353, 237122, 257255, 308706, 355683, 514510, 592805, 711366, 771765, 1185610, 1543530, 1778415, 2726903, 3556830, 5453806, 8180709, 13634515, 16361418, 27269030, 40903545, 81807090]

約数ペア:

[(1, 81807090), (2, 40903545), (3, 27269030), (5, 16361418), (6, 13634515), (10, 8180709), (15, 5453806), (23, 3556830), (30, 2726903), (46, 1778415), (53, 1543530), (69, 1185610), (106, 771765), (115, 711366), (138, 592805), (159, 514510), (230, 355683), (265, 308706), (318, 257255), (345, 237122), (530, 154353), (690, 118561), (795, 102902), (1219, 67110), (1590, 51451), (2237, 36570), (2438, 33555), (3657, 22370), (4474, 18285), (6095, 13422), (6711, 12190), (7314, 11185)]