256922424525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1\times {\mathrm{2161}}^1$

素因数の和:4247

約数の個数: 96

約数和(自身を含む): 465400768000

約数和(自身を除く): 208478343475

約数列:

[1, 3, 5, 13, 15, 25, 39, 61, 65, 75, 183, 195, 305, 325, 793, 915, 975, 1525, 1999, 2161, 2379, 3965, 4575, 5997, 6483, 9995, 10805, 11895, 19825, 25987, 28093, 29985, 32415, 49975, 54025, 59475, 77961, 84279, 121939, 129935, 131821, 140465, 149925, 162075, 365817, 389805, 395463, 421395, 609695, 649675, 659105, 702325, 1585207, 1713673, 1829085, 1949025, 1977315, 2106975, 3048475, 3295525, 4319839, 4755621, 5141019, 7926035, 8568365, 9145425, 9886575, 12959517, 21599195, 23778105, 25705095, 39630175, 42841825, 56157907, 64797585, 107995975, 118890525, 128525475, 168473721, 263510179, 280789535, 323987925, 790530537, 842368605, 1317550895, 1403947675, 3425632327, 3952652685, 4211843025, 6587754475, 10276896981, 17128161635, 19763263425, 51384484905, 85640808175, 256922424525]

約数ペア:

[(1, 256922424525), (3, 85640808175), (5, 51384484905), (13, 19763263425), (15, 17128161635), (25, 10276896981), (39, 6587754475), (61, 4211843025), (65, 3952652685), (75, 3425632327), (183, 1403947675), (195, 1317550895), (305, 842368605), (325, 790530537), (793, 323987925), (915, 280789535), (975, 263510179), (1525, 168473721), (1999, 128525475), (2161, 118890525), (2379, 107995975), (3965, 64797585), (4575, 56157907), (5997, 42841825), (6483, 39630175), (9995, 25705095), (10805, 23778105), (11895, 21599195), (19825, 12959517), (25987, 9886575), (28093, 9145425), (29985, 8568365), (32415, 7926035), (49975, 5141019), (54025, 4755621), (59475, 4319839), (77961, 3295525), (84279, 3048475), (121939, 2106975), (129935, 1977315), (131821, 1949025), (140465, 1829085), (149925, 1713673), (162075, 1585207), (365817, 702325), (389805, 659105), (395463, 649675), (421395, 609695)]