805072640

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 2013258240

約数和(自身を除く): 1208185600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 89, 128, 148, 160, 178, 185, 191, 256, 296, 320, 356, 370, 382, 445, 592, 640, 712, 740, 764, 890, 955, 1184, 1280, 1424, 1480, 1528, 1780, 1910, 2368, 2848, 2960, 3056, 3293, 3560, 3820, 4736, 5696, 5920, 6112, 6586, 7067, 7120, 7640, 9472, 11392, 11840, 12224, 13172, 14134, 14240, 15280, 16465, 16999, 22784, 23680, 24448, 26344, 28268, 28480, 30560, 32930, 33998, 35335, 47360, 48896, 52688, 56536, 56960, 61120, 65860, 67996, 70670, 84995, 105376, 113072, 113920, 122240, 131720, 135992, 141340, 169990, 210752, 226144, 244480, 263440, 271984, 282680, 339980, 421504, 452288, 526880, 543968, 565360, 628963, 679960, 843008, 904576, 1053760, 1087936, 1130720, 1257926, 1359920, 1809152, 2107520, 2175872, 2261440, 2515852, 2719840, 3144815, 4215040, 4351744, 4522880, 5031704, 5439680, 6289630, 9045760, 10063408, 10879360, 12579260, 20126816, 21758720, 25158520, 40253632, 50317040, 80507264, 100634080, 161014528, 201268160, 402536320, 805072640]

約数ペア:

[(1, 805072640), (2, 402536320), (4, 201268160), (5, 161014528), (8, 100634080), (10, 80507264), (16, 50317040), (20, 40253632), (32, 25158520), (37, 21758720), (40, 20126816), (64, 12579260), (74, 10879360), (80, 10063408), (89, 9045760), (128, 6289630), (148, 5439680), (160, 5031704), (178, 4522880), (185, 4351744), (191, 4215040), (256, 3144815), (296, 2719840), (320, 2515852), (356, 2261440), (370, 2175872), (382, 2107520), (445, 1809152), (592, 1359920), (640, 1257926), (712, 1130720), (740, 1087936), (764, 1053760), (890, 904576), (955, 843008), (1184, 679960), (1280, 628963), (1424, 565360), (1480, 543968), (1528, 526880), (1780, 452288), (1910, 421504), (2368, 339980), (2848, 282680), (2960, 271984), (3056, 263440), (3293, 244480), (3560, 226144), (3820, 210752), (4736, 169990), (5696, 141340), (5920, 135992), (6112, 131720), (6586, 122240), (7067, 113920), (7120, 113072), (7640, 105376), (9472, 84995), (11392, 70670), (11840, 67996), (12224, 65860), (13172, 61120), (14134, 56960), (14240, 56536), (15280, 52688), (16465, 48896), (16999, 47360), (22784, 35335), (23680, 33998), (24448, 32930), (26344, 30560), (28268, 28480)]