28989480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18583}}^1$

素因数の和:18610

約数の個数: 64

約数和(自身を含む): 93663360

約数和(自身を除く): 64673880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18583, 37166, 55749, 74332, 92915, 111498, 148664, 185830, 222996, 241579, 278745, 371660, 445992, 483158, 557490, 724737, 743320, 966316, 1114980, 1207895, 1449474, 1932632, 2229960, 2415790, 2898948, 3623685, 4831580, 5797896, 7247370, 9663160, 14494740, 28989480]

約数ペア:

[(1, 28989480), (2, 14494740), (3, 9663160), (4, 7247370), (5, 5797896), (6, 4831580), (8, 3623685), (10, 2898948), (12, 2415790), (13, 2229960), (15, 1932632), (20, 1449474), (24, 1207895), (26, 1114980), (30, 966316), (39, 743320), (40, 724737), (52, 557490), (60, 483158), (65, 445992), (78, 371660), (104, 278745), (120, 241579), (130, 222996), (156, 185830), (195, 148664), (260, 111498), (312, 92915), (390, 74332), (520, 55749), (780, 37166), (1560, 18583)]