87381960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2707}}^1$

素因数の和:2990

約数の個数: 64

約数和(自身を含む): 263217600

約数和(自身を除く): 175835640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 538, 807, 1076, 1345, 1614, 2152, 2690, 2707, 3228, 4035, 5380, 5414, 6456, 8070, 8121, 10760, 10828, 13535, 16140, 16242, 21656, 27070, 32280, 32484, 40605, 54140, 64968, 81210, 108280, 162420, 324840, 728183, 1456366, 2184549, 2912732, 3640915, 4369098, 5825464, 7281830, 8738196, 10922745, 14563660, 17476392, 21845490, 29127320, 43690980, 87381960]

約数ペア:

[(1, 87381960), (2, 43690980), (3, 29127320), (4, 21845490), (5, 17476392), (6, 14563660), (8, 10922745), (10, 8738196), (12, 7281830), (15, 5825464), (20, 4369098), (24, 3640915), (30, 2912732), (40, 2184549), (60, 1456366), (120, 728183), (269, 324840), (538, 162420), (807, 108280), (1076, 81210), (1345, 64968), (1614, 54140), (2152, 40605), (2690, 32484), (2707, 32280), (3228, 27070), (4035, 21656), (5380, 16242), (5414, 16140), (6456, 13535), (8070, 10828), (8121, 10760)]