260531880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1153}}^1$

素因数の和:1443

約数の個数: 128

約数和(自身を含む): 897350400

約数和(自身を除く): 636818520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 269, 280, 420, 538, 807, 840, 1076, 1153, 1345, 1614, 1883, 2152, 2306, 2690, 3228, 3459, 3766, 4035, 4612, 5380, 5649, 5765, 6456, 6918, 7532, 8070, 8071, 9224, 9415, 10760, 11298, 11530, 13836, 15064, 16140, 16142, 17295, 18830, 22596, 23060, 24213, 27672, 28245, 32280, 32284, 34590, 37660, 40355, 45192, 46120, 48426, 56490, 64568, 69180, 75320, 80710, 96852, 112980, 121065, 138360, 161420, 193704, 225960, 242130, 310157, 322840, 484260, 620314, 930471, 968520, 1240628, 1550785, 1860942, 2171099, 2481256, 3101570, 3721884, 4342198, 4652355, 6203140, 6513297, 7443768, 8684396, 9304710, 10855495, 12406280, 13026594, 17368792, 18609420, 21710990, 26053188, 32566485, 37218840, 43421980, 52106376, 65132970, 86843960, 130265940, 260531880]

約数ペア:

[(1, 260531880), (2, 130265940), (3, 86843960), (4, 65132970), (5, 52106376), (6, 43421980), (7, 37218840), (8, 32566485), (10, 26053188), (12, 21710990), (14, 18609420), (15, 17368792), (20, 13026594), (21, 12406280), (24, 10855495), (28, 9304710), (30, 8684396), (35, 7443768), (40, 6513297), (42, 6203140), (56, 4652355), (60, 4342198), (70, 3721884), (84, 3101570), (105, 2481256), (120, 2171099), (140, 1860942), (168, 1550785), (210, 1240628), (269, 968520), (280, 930471), (420, 620314), (538, 484260), (807, 322840), (840, 310157), (1076, 242130), (1153, 225960), (1345, 193704), (1614, 161420), (1883, 138360), (2152, 121065), (2306, 112980), (2690, 96852), (3228, 80710), (3459, 75320), (3766, 69180), (4035, 64568), (4612, 56490), (5380, 48426), (5649, 46120), (5765, 45192), (6456, 40355), (6918, 37660), (7532, 34590), (8070, 32284), (8071, 32280), (9224, 28245), (9415, 27672), (10760, 24213), (11298, 23060), (11530, 22596), (13836, 18830), (15064, 17295), (16140, 16142)]