81073620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19583}}^1$

素因数の和:19621

約数の個数: 72

約数和(自身を含む): 256628736

約数和(自身を除く): 175555116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 19583, 39166, 58749, 78332, 97915, 117498, 176247, 195830, 234996, 293745, 352494, 391660, 450409, 587490, 704988, 881235, 900818, 1174980, 1351227, 1762470, 1801636, 2252045, 2702454, 3524940, 4053681, 4504090, 5404908, 6756135, 8107362, 9008180, 13512270, 16214724, 20268405, 27024540, 40536810, 81073620]

約数ペア:

[(1, 81073620), (2, 40536810), (3, 27024540), (4, 20268405), (5, 16214724), (6, 13512270), (9, 9008180), (10, 8107362), (12, 6756135), (15, 5404908), (18, 4504090), (20, 4053681), (23, 3524940), (30, 2702454), (36, 2252045), (45, 1801636), (46, 1762470), (60, 1351227), (69, 1174980), (90, 900818), (92, 881235), (115, 704988), (138, 587490), (180, 450409), (207, 391660), (230, 352494), (276, 293745), (345, 234996), (414, 195830), (460, 176247), (690, 117498), (828, 97915), (1035, 78332), (1380, 58749), (2070, 39166), (4140, 19583)]