7280325

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 14894880

約数和(自身を除く): 7614555

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 117, 131, 171, 195, 225, 247, 285, 325, 393, 475, 585, 655, 741, 855, 975, 1179, 1235, 1425, 1703, 1965, 2223, 2489, 2925, 3275, 3705, 4275, 5109, 5895, 6175, 7467, 8515, 9825, 11115, 12445, 15327, 18525, 22401, 25545, 29475, 32357, 37335, 42575, 55575, 62225, 76635, 97071, 112005, 127725, 161785, 186675, 291213, 383175, 485355, 560025, 808925, 1456065, 2426775, 7280325]

約数ペア:

[(1, 7280325), (3, 2426775), (5, 1456065), (9, 808925), (13, 560025), (15, 485355), (19, 383175), (25, 291213), (39, 186675), (45, 161785), (57, 127725), (65, 112005), (75, 97071), (95, 76635), (117, 62225), (131, 55575), (171, 42575), (195, 37335), (225, 32357), (247, 29475), (285, 25545), (325, 22401), (393, 18525), (475, 15327), (585, 12445), (655, 11115), (741, 9825), (855, 8515), (975, 7467), (1179, 6175), (1235, 5895), (1425, 5109), (1703, 4275), (1965, 3705), (2223, 3275), (2489, 2925)]