16662580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 41368320

約数和(自身を除く): 24705740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 37, 44, 46, 55, 74, 89, 92, 110, 115, 148, 178, 185, 220, 230, 253, 356, 370, 407, 445, 460, 506, 740, 814, 851, 890, 979, 1012, 1265, 1628, 1702, 1780, 1958, 2035, 2047, 2530, 3293, 3404, 3916, 4070, 4094, 4255, 4895, 5060, 6586, 8140, 8188, 8510, 9361, 9790, 10235, 13172, 16465, 17020, 18722, 19580, 20470, 22517, 32930, 36223, 37444, 40940, 45034, 46805, 65860, 72446, 75739, 90068, 93610, 112585, 144892, 151478, 181115, 187220, 225170, 302956, 362230, 378695, 450340, 724460, 757390, 833129, 1514780, 1666258, 3332516, 4165645, 8331290, 16662580]

約数ペア:

[(1, 16662580), (2, 8331290), (4, 4165645), (5, 3332516), (10, 1666258), (11, 1514780), (20, 833129), (22, 757390), (23, 724460), (37, 450340), (44, 378695), (46, 362230), (55, 302956), (74, 225170), (89, 187220), (92, 181115), (110, 151478), (115, 144892), (148, 112585), (178, 93610), (185, 90068), (220, 75739), (230, 72446), (253, 65860), (356, 46805), (370, 45034), (407, 40940), (445, 37444), (460, 36223), (506, 32930), (740, 22517), (814, 20470), (851, 19580), (890, 18722), (979, 17020), (1012, 16465), (1265, 13172), (1628, 10235), (1702, 9790), (1780, 9361), (1958, 8510), (2035, 8188), (2047, 8140), (2530, 6586), (3293, 5060), (3404, 4895), (3916, 4255), (4070, 4094)]