1780147145

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 2679091200

約数和(自身を除く): 898944055

約数列:

[1, 5, 7, 19, 35, 37, 71, 95, 133, 185, 259, 355, 497, 665, 703, 1019, 1295, 1349, 2485, 2627, 3515, 4921, 5095, 6745, 7133, 9443, 13135, 18389, 19361, 24605, 35665, 37703, 47215, 49913, 72349, 91945, 96805, 135527, 188515, 249565, 263921, 349391, 361745, 506443, 677635, 716357, 1319605, 1374631, 1746955, 2532215, 2676913, 3581785, 5014499, 6873155, 9622417, 13384565, 18738391, 25072495, 48112085, 50861347, 93691955, 254306735, 356029429, 1780147145]

約数ペア:

[(1, 1780147145), (5, 356029429), (7, 254306735), (19, 93691955), (35, 50861347), (37, 48112085), (71, 25072495), (95, 18738391), (133, 13384565), (185, 9622417), (259, 6873155), (355, 5014499), (497, 3581785), (665, 2676913), (703, 2532215), (1019, 1746955), (1295, 1374631), (1349, 1319605), (2485, 716357), (2627, 677635), (3515, 506443), (4921, 361745), (5095, 349391), (6745, 263921), (7133, 249565), (9443, 188515), (13135, 135527), (18389, 96805), (19361, 91945), (24605, 72349), (35665, 49913), (37703, 47215)]