15065380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 36400896

約数和(自身を除く): 21335516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 47, 55, 62, 94, 110, 124, 155, 188, 220, 235, 310, 341, 470, 517, 620, 682, 940, 1034, 1364, 1457, 1705, 2068, 2209, 2585, 2914, 3410, 4418, 5170, 5828, 6820, 7285, 8836, 10340, 11045, 14570, 16027, 22090, 24299, 29140, 32054, 44180, 48598, 64108, 68479, 80135, 97196, 121495, 136958, 160270, 242990, 273916, 320540, 342395, 485980, 684790, 753269, 1369580, 1506538, 3013076, 3766345, 7532690, 15065380]

約数ペア:

[(1, 15065380), (2, 7532690), (4, 3766345), (5, 3013076), (10, 1506538), (11, 1369580), (20, 753269), (22, 684790), (31, 485980), (44, 342395), (47, 320540), (55, 273916), (62, 242990), (94, 160270), (110, 136958), (124, 121495), (155, 97196), (188, 80135), (220, 68479), (235, 64108), (310, 48598), (341, 44180), (470, 32054), (517, 29140), (620, 24299), (682, 22090), (940, 16027), (1034, 14570), (1364, 11045), (1457, 10340), (1705, 8836), (2068, 7285), (2209, 6820), (2585, 5828), (2914, 5170), (3410, 4418)]