642557616

素因数分解:

$2^4\times 3^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:954

約数の個数: 80

約数和(自身を含む): 1686558720

約数和(自身を除く): 1044001104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 109, 191, 218, 327, 382, 436, 573, 643, 654, 764, 872, 1146, 1286, 1308, 1528, 1744, 1929, 2292, 2572, 2616, 3056, 3858, 4584, 5144, 5232, 7716, 9168, 10288, 15432, 20819, 30864, 41638, 62457, 70087, 83276, 122813, 124914, 140174, 166552, 210261, 245626, 249828, 280348, 333104, 368439, 420522, 491252, 499656, 560696, 736878, 841044, 982504, 999312, 1121392, 1473756, 1682088, 1965008, 2947512, 3364176, 5895024, 13386617, 26773234, 40159851, 53546468, 80319702, 107092936, 160639404, 214185872, 321278808, 642557616]

約数ペア:

[(1, 642557616), (2, 321278808), (3, 214185872), (4, 160639404), (6, 107092936), (8, 80319702), (12, 53546468), (16, 40159851), (24, 26773234), (48, 13386617), (109, 5895024), (191, 3364176), (218, 2947512), (327, 1965008), (382, 1682088), (436, 1473756), (573, 1121392), (643, 999312), (654, 982504), (764, 841044), (872, 736878), (1146, 560696), (1286, 499656), (1308, 491252), (1528, 420522), (1744, 368439), (1929, 333104), (2292, 280348), (2572, 249828), (2616, 245626), (3056, 210261), (3858, 166552), (4584, 140174), (5144, 124914), (5232, 122813), (7716, 83276), (9168, 70087), (10288, 62457), (15432, 41638), (20819, 30864)]