30381040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 75932640

約数和(自身を除く): 45551600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 251, 272, 340, 356, 445, 502, 680, 712, 890, 1004, 1255, 1360, 1424, 1513, 1780, 2008, 2510, 3026, 3560, 4016, 4267, 5020, 6052, 7120, 7565, 8534, 10040, 12104, 15130, 17068, 20080, 21335, 22339, 24208, 30260, 34136, 42670, 44678, 60520, 68272, 85340, 89356, 111695, 121040, 170680, 178712, 223390, 341360, 357424, 379763, 446780, 759526, 893560, 1519052, 1787120, 1898815, 3038104, 3797630, 6076208, 7595260, 15190520, 30381040]

約数ペア:

[(1, 30381040), (2, 15190520), (4, 7595260), (5, 6076208), (8, 3797630), (10, 3038104), (16, 1898815), (17, 1787120), (20, 1519052), (34, 893560), (40, 759526), (68, 446780), (80, 379763), (85, 357424), (89, 341360), (136, 223390), (170, 178712), (178, 170680), (251, 121040), (272, 111695), (340, 89356), (356, 85340), (445, 68272), (502, 60520), (680, 44678), (712, 42670), (890, 34136), (1004, 30260), (1255, 24208), (1360, 22339), (1424, 21335), (1513, 20080), (1780, 17068), (2008, 15130), (2510, 12104), (3026, 10040), (3560, 8534), (4016, 7565), (4267, 7120), (5020, 6052)]