28972980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3037}}^1$

素因数の和:3105

約数の個数: 72

約数和(自身を含む): 89572392

約数和(自身を除く): 60599412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3037, 3180, 4770, 6074, 9111, 9540, 12148, 15185, 18222, 27333, 30370, 36444, 45555, 54666, 60740, 91110, 109332, 136665, 160961, 182220, 273330, 321922, 482883, 546660, 643844, 804805, 965766, 1448649, 1609610, 1931532, 2414415, 2897298, 3219220, 4828830, 5794596, 7243245, 9657660, 14486490, 28972980]

約数ペア:

[(1, 28972980), (2, 14486490), (3, 9657660), (4, 7243245), (5, 5794596), (6, 4828830), (9, 3219220), (10, 2897298), (12, 2414415), (15, 1931532), (18, 1609610), (20, 1448649), (30, 965766), (36, 804805), (45, 643844), (53, 546660), (60, 482883), (90, 321922), (106, 273330), (159, 182220), (180, 160961), (212, 136665), (265, 109332), (318, 91110), (477, 60740), (530, 54666), (636, 45555), (795, 36444), (954, 30370), (1060, 27333), (1590, 18222), (1908, 15185), (2385, 12148), (3037, 9540), (3180, 9111), (4770, 6074)]