90821820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89041}}^1$

素因数の和:89070

約数の個数: 48

約数和(自身を含む): 269263008

約数和(自身を除く): 178441188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 89041, 178082, 267123, 356164, 445205, 534246, 890410, 1068492, 1335615, 1513697, 1780820, 2671230, 3027394, 4541091, 5342460, 6054788, 7568485, 9082182, 15136970, 18164364, 22705455, 30273940, 45410910, 90821820]

約数ペア:

[(1, 90821820), (2, 45410910), (3, 30273940), (4, 22705455), (5, 18164364), (6, 15136970), (10, 9082182), (12, 7568485), (15, 6054788), (17, 5342460), (20, 4541091), (30, 3027394), (34, 2671230), (51, 1780820), (60, 1513697), (68, 1335615), (85, 1068492), (102, 890410), (170, 534246), (204, 445205), (255, 356164), (340, 267123), (510, 178082), (1020, 89041)]