28804860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22861}}^1$

素因数の和:22883

約数の個数: 72

約数和(自身を含む): 99861216

約数和(自身を除く): 71056356

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22861, 45722, 68583, 91444, 114305, 137166, 160027, 205749, 228610, 274332, 320054, 342915, 411498, 457220, 480081, 640108, 685830, 800135, 822996, 960162, 1028745, 1371660, 1440243, 1600270, 1920324, 2057490, 2400405, 2880486, 3200540, 4114980, 4800810, 5760972, 7201215, 9601620, 14402430, 28804860]

約数ペア:

[(1, 28804860), (2, 14402430), (3, 9601620), (4, 7201215), (5, 5760972), (6, 4800810), (7, 4114980), (9, 3200540), (10, 2880486), (12, 2400405), (14, 2057490), (15, 1920324), (18, 1600270), (20, 1440243), (21, 1371660), (28, 1028745), (30, 960162), (35, 822996), (36, 800135), (42, 685830), (45, 640108), (60, 480081), (63, 457220), (70, 411498), (84, 342915), (90, 320054), (105, 274332), (126, 228610), (140, 205749), (180, 160027), (210, 137166), (252, 114305), (315, 91444), (420, 68583), (630, 45722), (1260, 22861)]