257073040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:729

約数の個数: 160

約数和(自身を含む): 739595520

約数和(自身を除く): 482522480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 37, 38, 40, 56, 70, 74, 76, 80, 95, 112, 133, 140, 148, 152, 185, 190, 259, 266, 280, 296, 304, 370, 380, 518, 532, 560, 592, 653, 665, 703, 740, 760, 1036, 1064, 1295, 1306, 1330, 1406, 1480, 1520, 2072, 2128, 2590, 2612, 2660, 2812, 2960, 3265, 3515, 4144, 4571, 4921, 5180, 5224, 5320, 5624, 6530, 7030, 9142, 9842, 10360, 10448, 10640, 11248, 12407, 13060, 14060, 18284, 19684, 20720, 22855, 24161, 24605, 24814, 26120, 28120, 36568, 39368, 45710, 48322, 49210, 49628, 52240, 56240, 62035, 73136, 78736, 86849, 91420, 96644, 98420, 99256, 120805, 124070, 169127, 173698, 182840, 193288, 196840, 198512, 241610, 248140, 338254, 347396, 365680, 386576, 393680, 434245, 459059, 483220, 496280, 676508, 694792, 845635, 868490, 918118, 966440, 992560, 1353016, 1389584, 1691270, 1736980, 1836236, 1932880, 2295295, 2706032, 3213413, 3382540, 3473960, 3672472, 4590590, 6426826, 6765080, 6947920, 7344944, 9181180, 12853652, 13530160, 16067065, 18362360, 25707304, 32134130, 36724720, 51414608, 64268260, 128536520, 257073040]

約数ペア:

[(1, 257073040), (2, 128536520), (4, 64268260), (5, 51414608), (7, 36724720), (8, 32134130), (10, 25707304), (14, 18362360), (16, 16067065), (19, 13530160), (20, 12853652), (28, 9181180), (35, 7344944), (37, 6947920), (38, 6765080), (40, 6426826), (56, 4590590), (70, 3672472), (74, 3473960), (76, 3382540), (80, 3213413), (95, 2706032), (112, 2295295), (133, 1932880), (140, 1836236), (148, 1736980), (152, 1691270), (185, 1389584), (190, 1353016), (259, 992560), (266, 966440), (280, 918118), (296, 868490), (304, 845635), (370, 694792), (380, 676508), (518, 496280), (532, 483220), (560, 459059), (592, 434245), (653, 393680), (665, 386576), (703, 365680), (740, 347396), (760, 338254), (1036, 248140), (1064, 241610), (1295, 198512), (1306, 196840), (1330, 193288), (1406, 182840), (1480, 173698), (1520, 169127), (2072, 124070), (2128, 120805), (2590, 99256), (2612, 98420), (2660, 96644), (2812, 91420), (2960, 86849), (3265, 78736), (3515, 73136), (4144, 62035), (4571, 56240), (4921, 52240), (5180, 49628), (5224, 49210), (5320, 48322), (5624, 45710), (6530, 39368), (7030, 36568), (9142, 28120), (9842, 26120), (10360, 24814), (10448, 24605), (10640, 24161), (11248, 22855), (12407, 20720), (13060, 19684), (14060, 18284)]