87751880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 213969600

約数和(自身を除く): 126217720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 103, 118, 152, 190, 206, 236, 295, 361, 380, 412, 472, 515, 590, 722, 760, 824, 1030, 1121, 1180, 1444, 1805, 1957, 2060, 2242, 2360, 2888, 3610, 3914, 4120, 4484, 5605, 6077, 7220, 7828, 8968, 9785, 11210, 12154, 14440, 15656, 19570, 21299, 22420, 24308, 30385, 37183, 39140, 42598, 44840, 48616, 60770, 74366, 78280, 85196, 106495, 115463, 121540, 148732, 170392, 185915, 212990, 230926, 243080, 297464, 371830, 425980, 461852, 577315, 743660, 851960, 923704, 1154630, 1487320, 2193797, 2309260, 4387594, 4618520, 8775188, 10968985, 17550376, 21937970, 43875940, 87751880]

約数ペア:

[(1, 87751880), (2, 43875940), (4, 21937970), (5, 17550376), (8, 10968985), (10, 8775188), (19, 4618520), (20, 4387594), (38, 2309260), (40, 2193797), (59, 1487320), (76, 1154630), (95, 923704), (103, 851960), (118, 743660), (152, 577315), (190, 461852), (206, 425980), (236, 371830), (295, 297464), (361, 243080), (380, 230926), (412, 212990), (472, 185915), (515, 170392), (590, 148732), (722, 121540), (760, 115463), (824, 106495), (1030, 85196), (1121, 78280), (1180, 74366), (1444, 60770), (1805, 48616), (1957, 44840), (2060, 42598), (2242, 39140), (2360, 37183), (2888, 30385), (3610, 24308), (3914, 22420), (4120, 21299), (4484, 19570), (5605, 15656), (6077, 14440), (7220, 12154), (7828, 11210), (8968, 9785)]