30152980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{811}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 74892384

約数和(自身を除く): 44739404

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 811, 845, 1430, 1622, 1690, 1859, 2860, 3244, 3380, 3718, 4055, 7436, 8110, 8921, 9295, 10543, 16220, 17842, 18590, 21086, 35684, 37180, 42172, 44605, 52715, 89210, 105430, 115973, 137059, 178420, 210860, 231946, 274118, 463892, 548236, 579865, 685295, 1159730, 1370590, 1507649, 2319460, 2741180, 3015298, 6030596, 7538245, 15076490, 30152980]

約数ペア:

[(1, 30152980), (2, 15076490), (4, 7538245), (5, 6030596), (10, 3015298), (11, 2741180), (13, 2319460), (20, 1507649), (22, 1370590), (26, 1159730), (44, 685295), (52, 579865), (55, 548236), (65, 463892), (110, 274118), (130, 231946), (143, 210860), (169, 178420), (220, 137059), (260, 115973), (286, 105430), (338, 89210), (572, 52715), (676, 44605), (715, 42172), (811, 37180), (845, 35684), (1430, 21086), (1622, 18590), (1690, 17842), (1859, 16220), (2860, 10543), (3244, 9295), (3380, 8921), (3718, 8110), (4055, 7436)]