1603780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 3674160

約数和(自身を除く): 2070380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 89, 106, 170, 178, 212, 265, 340, 356, 445, 530, 890, 901, 1060, 1513, 1780, 1802, 3026, 3604, 4505, 4717, 6052, 7565, 9010, 9434, 15130, 18020, 18868, 23585, 30260, 47170, 80189, 94340, 160378, 320756, 400945, 801890, 1603780]

約数ペア:

[(1, 1603780), (2, 801890), (4, 400945), (5, 320756), (10, 160378), (17, 94340), (20, 80189), (34, 47170), (53, 30260), (68, 23585), (85, 18868), (89, 18020), (106, 15130), (170, 9434), (178, 9010), (212, 7565), (265, 6052), (340, 4717), (356, 4505), (445, 3604), (530, 3026), (890, 1802), (901, 1780), (1060, 1513)]