261885210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{743}}^1$

素因数の和:1163

約数の個数: 64

約数和(自身を含む): 651386880

約数和(自身を除く): 389501670

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 379, 465, 743, 758, 930, 1137, 1486, 1895, 2229, 2274, 3715, 3790, 4458, 5685, 7430, 11145, 11370, 11749, 22290, 23033, 23498, 35247, 46066, 58745, 69099, 70494, 115165, 117490, 138198, 176235, 230330, 281597, 345495, 352470, 563194, 690990, 844791, 1407985, 1689582, 2815970, 4223955, 8447910, 8729507, 17459014, 26188521, 43647535, 52377042, 87295070, 130942605, 261885210]

約数ペア:

[(1, 261885210), (2, 130942605), (3, 87295070), (5, 52377042), (6, 43647535), (10, 26188521), (15, 17459014), (30, 8729507), (31, 8447910), (62, 4223955), (93, 2815970), (155, 1689582), (186, 1407985), (310, 844791), (379, 690990), (465, 563194), (743, 352470), (758, 345495), (930, 281597), (1137, 230330), (1486, 176235), (1895, 138198), (2229, 117490), (2274, 115165), (3715, 70494), (3790, 69099), (4458, 58745), (5685, 46066), (7430, 35247), (11145, 23498), (11370, 23033), (11749, 22290)]