28319880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12421}}^1$

素因数の和:12454

約数の個数: 64

約数和(自身を含む): 89438400

約数和(自身を除く): 61118520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 12421, 24842, 37263, 49684, 62105, 74526, 99368, 124210, 149052, 186315, 235999, 248420, 298104, 372630, 471998, 496840, 707997, 745260, 943996, 1179995, 1415994, 1490520, 1887992, 2359990, 2831988, 3539985, 4719980, 5663976, 7079970, 9439960, 14159940, 28319880]

約数ペア:

[(1, 28319880), (2, 14159940), (3, 9439960), (4, 7079970), (5, 5663976), (6, 4719980), (8, 3539985), (10, 2831988), (12, 2359990), (15, 1887992), (19, 1490520), (20, 1415994), (24, 1179995), (30, 943996), (38, 745260), (40, 707997), (57, 496840), (60, 471998), (76, 372630), (95, 298104), (114, 248420), (120, 235999), (152, 186315), (190, 149052), (228, 124210), (285, 99368), (380, 74526), (456, 62105), (570, 49684), (760, 37263), (1140, 24842), (2280, 12421)]