15003820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 35786016

約数和(自身を除く): 20782196

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 169, 193, 230, 260, 299, 338, 386, 460, 598, 676, 772, 845, 965, 1196, 1495, 1690, 1930, 2509, 2990, 3380, 3860, 3887, 4439, 5018, 5980, 7774, 8878, 10036, 12545, 15548, 17756, 19435, 22195, 25090, 32617, 38870, 44390, 50180, 57707, 65234, 77740, 88780, 115414, 130468, 163085, 230828, 288535, 326170, 577070, 652340, 750191, 1154140, 1500382, 3000764, 3750955, 7501910, 15003820]

約数ペア:

[(1, 15003820), (2, 7501910), (4, 3750955), (5, 3000764), (10, 1500382), (13, 1154140), (20, 750191), (23, 652340), (26, 577070), (46, 326170), (52, 288535), (65, 230828), (92, 163085), (115, 130468), (130, 115414), (169, 88780), (193, 77740), (230, 65234), (260, 57707), (299, 50180), (338, 44390), (386, 38870), (460, 32617), (598, 25090), (676, 22195), (772, 19435), (845, 17756), (965, 15548), (1196, 12545), (1495, 10036), (1690, 8878), (1930, 7774), (2509, 5980), (2990, 5018), (3380, 4439), (3860, 3887)]