28156669125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{719}}^1$

素因数の和:1056

約数の個数: 128

約数和(自身を含む): 52457932800

約数和(自身を除く): 24301263675

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 65, 75, 87, 125, 145, 195, 277, 325, 375, 377, 435, 719, 725, 831, 975, 1131, 1385, 1625, 1885, 2157, 2175, 3595, 3601, 3625, 4155, 4875, 5655, 6925, 8033, 9347, 9425, 10785, 10803, 10875, 17975, 18005, 20775, 20851, 24099, 28041, 28275, 34625, 40165, 46735, 47125, 53925, 54015, 62553, 89875, 90025, 103875, 104255, 104429, 120495, 140205, 141375, 199163, 200825, 233675, 269625, 270075, 271063, 312765, 313287, 450125, 521275, 522145, 597489, 602475, 701025, 813189, 995815, 1004125, 1168375, 1350375, 1355315, 1563825, 1566435, 2589119, 2606375, 2610725, 2987445, 3012375, 3505125, 4065945, 4979075, 5775727, 6776575, 7767357, 7819125, 7832175, 12945595, 13053625, 14937225, 17327181, 20329725, 24895375, 28878635, 33882875, 38836785, 39160875, 64727975, 74686125, 75084451, 86635905, 101648625, 144393175, 194183925, 225253353, 323639875, 375422255, 433179525, 721965875, 970919625, 1126266765, 1877111275, 2165897625, 5631333825, 9385556375, 28156669125]

約数ペア:

[(1, 28156669125), (3, 9385556375), (5, 5631333825), (13, 2165897625), (15, 1877111275), (25, 1126266765), (29, 970919625), (39, 721965875), (65, 433179525), (75, 375422255), (87, 323639875), (125, 225253353), (145, 194183925), (195, 144393175), (277, 101648625), (325, 86635905), (375, 75084451), (377, 74686125), (435, 64727975), (719, 39160875), (725, 38836785), (831, 33882875), (975, 28878635), (1131, 24895375), (1385, 20329725), (1625, 17327181), (1885, 14937225), (2157, 13053625), (2175, 12945595), (3595, 7832175), (3601, 7819125), (3625, 7767357), (4155, 6776575), (4875, 5775727), (5655, 4979075), (6925, 4065945), (8033, 3505125), (9347, 3012375), (9425, 2987445), (10785, 2610725), (10803, 2606375), (10875, 2589119), (17975, 1566435), (18005, 1563825), (20775, 1355315), (20851, 1350375), (24099, 1168375), (28041, 1004125), (28275, 995815), (34625, 813189), (40165, 701025), (46735, 602475), (47125, 597489), (53925, 522145), (54015, 521275), (62553, 450125), (89875, 313287), (90025, 312765), (103875, 271063), (104255, 270075), (104429, 269625), (120495, 233675), (140205, 200825), (141375, 199163)]