68960025

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{283}}^1$

素因数の和:340

約数の個数: 72

約数和(自身を含む): 134172960

約数和(自身を除く): 65212935

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 283, 285, 361, 475, 513, 675, 849, 855, 1083, 1415, 1425, 1805, 2547, 2565, 3249, 4245, 4275, 5377, 5415, 7075, 7641, 9025, 9747, 12735, 12825, 16131, 16245, 21225, 26885, 27075, 38205, 48393, 48735, 63675, 80655, 81225, 102163, 134425, 145179, 191025, 241965, 243675, 306489, 403275, 510815, 725895, 919467, 1209825, 1532445, 2554075, 2758401, 3629475, 4597335, 7662225, 13792005, 22986675, 68960025]

約数ペア:

[(1, 68960025), (3, 22986675), (5, 13792005), (9, 7662225), (15, 4597335), (19, 3629475), (25, 2758401), (27, 2554075), (45, 1532445), (57, 1209825), (75, 919467), (95, 725895), (135, 510815), (171, 403275), (225, 306489), (283, 243675), (285, 241965), (361, 191025), (475, 145179), (513, 134425), (675, 102163), (849, 81225), (855, 80655), (1083, 63675), (1415, 48735), (1425, 48393), (1805, 38205), (2547, 27075), (2565, 26885), (3249, 21225), (4245, 16245), (4275, 16131), (5377, 12825), (5415, 12735), (7075, 9747), (7641, 9025)]