72073040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1873}}^1$

素因数の和:1936

約数の個数: 80

約数和(自身を含む): 185436048

約数和(自身を除く): 113363008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1873, 1924, 2405, 2960, 3746, 3848, 4810, 7492, 7696, 9365, 9620, 14984, 18730, 19240, 24349, 29968, 37460, 38480, 48698, 69301, 74920, 97396, 121745, 138602, 149840, 194792, 243490, 277204, 346505, 389584, 486980, 554408, 693010, 900913, 973960, 1108816, 1386020, 1801826, 1947920, 2772040, 3603652, 4504565, 5544080, 7207304, 9009130, 14414608, 18018260, 36036520, 72073040]

約数ペア:

[(1, 72073040), (2, 36036520), (4, 18018260), (5, 14414608), (8, 9009130), (10, 7207304), (13, 5544080), (16, 4504565), (20, 3603652), (26, 2772040), (37, 1947920), (40, 1801826), (52, 1386020), (65, 1108816), (74, 973960), (80, 900913), (104, 693010), (130, 554408), (148, 486980), (185, 389584), (208, 346505), (260, 277204), (296, 243490), (370, 194792), (481, 149840), (520, 138602), (592, 121745), (740, 97396), (962, 74920), (1040, 69301), (1480, 48698), (1873, 38480), (1924, 37460), (2405, 29968), (2960, 24349), (3746, 19240), (3848, 18730), (4810, 14984), (7492, 9620), (7696, 9365)]