1551257980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{7559}}^1$

素因数の和:7930

約数の個数: 48

約数和(自身を含む): 3373332480

約数和(自身を除く): 1822074500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 331, 620, 662, 1324, 1655, 3310, 6620, 7559, 10261, 15118, 20522, 30236, 37795, 41044, 51305, 75590, 102610, 151180, 205220, 234329, 468658, 937316, 1171645, 2343290, 2502029, 4686580, 5004058, 10008116, 12510145, 25020290, 50040580, 77562899, 155125798, 310251596, 387814495, 775628990, 1551257980]

約数ペア:

[(1, 1551257980), (2, 775628990), (4, 387814495), (5, 310251596), (10, 155125798), (20, 77562899), (31, 50040580), (62, 25020290), (124, 12510145), (155, 10008116), (310, 5004058), (331, 4686580), (620, 2502029), (662, 2343290), (1324, 1171645), (1655, 937316), (3310, 468658), (6620, 234329), (7559, 205220), (10261, 151180), (15118, 102610), (20522, 75590), (30236, 51305), (37795, 41044)]