28954260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:375

約数の個数: 120

約数和(自身を含む): 92634696

約数和(自身を除く): 63680436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 244, 270, 293, 305, 324, 366, 405, 540, 549, 586, 610, 732, 810, 879, 915, 1098, 1172, 1220, 1465, 1620, 1647, 1758, 1830, 2196, 2637, 2745, 2930, 3294, 3516, 3660, 4395, 4941, 5274, 5490, 5860, 6588, 7911, 8235, 8790, 9882, 10548, 10980, 13185, 15822, 16470, 17580, 17873, 19764, 23733, 24705, 26370, 31644, 32940, 35746, 39555, 47466, 49410, 52740, 53619, 71492, 79110, 89365, 94932, 98820, 107238, 118665, 158220, 160857, 178730, 214476, 237330, 268095, 321714, 357460, 474660, 482571, 536190, 643428, 804285, 965142, 1072380, 1447713, 1608570, 1930284, 2412855, 2895426, 3217140, 4825710, 5790852, 7238565, 9651420, 14477130, 28954260]

約数ペア:

[(1, 28954260), (2, 14477130), (3, 9651420), (4, 7238565), (5, 5790852), (6, 4825710), (9, 3217140), (10, 2895426), (12, 2412855), (15, 1930284), (18, 1608570), (20, 1447713), (27, 1072380), (30, 965142), (36, 804285), (45, 643428), (54, 536190), (60, 482571), (61, 474660), (81, 357460), (90, 321714), (108, 268095), (122, 237330), (135, 214476), (162, 178730), (180, 160857), (183, 158220), (244, 118665), (270, 107238), (293, 98820), (305, 94932), (324, 89365), (366, 79110), (405, 71492), (540, 53619), (549, 52740), (586, 49410), (610, 47466), (732, 39555), (810, 35746), (879, 32940), (915, 31644), (1098, 26370), (1172, 24705), (1220, 23733), (1465, 19764), (1620, 17873), (1647, 17580), (1758, 16470), (1830, 15822), (2196, 13185), (2637, 10980), (2745, 10548), (2930, 9882), (3294, 8790), (3516, 8235), (3660, 7911), (4395, 6588), (4941, 5860), (5274, 5490)]