256962720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2467}}^1$

素因数の和:2523

約数の個数: 192

約数和(自身を含む): 955293696

約数和(自身を除く): 698330976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 310, 336, 372, 420, 434, 465, 480, 496, 560, 620, 651, 672, 744, 840, 868, 930, 992, 1085, 1120, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2467, 2480, 2604, 2976, 3255, 3360, 3472, 3720, 4340, 4934, 4960, 5208, 6510, 6944, 7401, 7440, 8680, 9868, 10416, 12335, 13020, 14802, 14880, 17269, 17360, 19736, 20832, 24670, 26040, 29604, 34538, 34720, 37005, 39472, 49340, 51807, 52080, 59208, 69076, 74010, 76477, 78944, 86345, 98680, 103614, 104160, 118416, 138152, 148020, 152954, 172690, 197360, 207228, 229431, 236832, 259035, 276304, 296040, 305908, 345380, 382385, 394720, 414456, 458862, 518070, 535339, 552608, 592080, 611816, 690760, 764770, 828912, 917724, 1036140, 1070678, 1147155, 1184160, 1223632, 1381520, 1529540, 1606017, 1657824, 1835448, 2072280, 2141356, 2294310, 2447264, 2676695, 2763040, 3059080, 3212034, 3670896, 4144560, 4282712, 4588620, 5353390, 6118160, 6424068, 7341792, 8030085, 8289120, 8565424, 9177240, 10706780, 12236320, 12848136, 16060170, 17130848, 18354480, 21413560, 25696272, 32120340, 36708960, 42827120, 51392544, 64240680, 85654240, 128481360, 256962720]

約数ペア:

[(1, 256962720), (2, 128481360), (3, 85654240), (4, 64240680), (5, 51392544), (6, 42827120), (7, 36708960), (8, 32120340), (10, 25696272), (12, 21413560), (14, 18354480), (15, 17130848), (16, 16060170), (20, 12848136), (21, 12236320), (24, 10706780), (28, 9177240), (30, 8565424), (31, 8289120), (32, 8030085), (35, 7341792), (40, 6424068), (42, 6118160), (48, 5353390), (56, 4588620), (60, 4282712), (62, 4144560), (70, 3670896), (80, 3212034), (84, 3059080), (93, 2763040), (96, 2676695), (105, 2447264), (112, 2294310), (120, 2141356), (124, 2072280), (140, 1835448), (155, 1657824), (160, 1606017), (168, 1529540), (186, 1381520), (210, 1223632), (217, 1184160), (224, 1147155), (240, 1070678), (248, 1036140), (280, 917724), (310, 828912), (336, 764770), (372, 690760), (420, 611816), (434, 592080), (465, 552608), (480, 535339), (496, 518070), (560, 458862), (620, 414456), (651, 394720), (672, 382385), (744, 345380), (840, 305908), (868, 296040), (930, 276304), (992, 259035), (1085, 236832), (1120, 229431), (1240, 207228), (1302, 197360), (1488, 172690), (1680, 152954), (1736, 148020), (1860, 138152), (2170, 118416), (2467, 104160), (2480, 103614), (2604, 98680), (2976, 86345), (3255, 78944), (3360, 76477), (3472, 74010), (3720, 69076), (4340, 59208), (4934, 52080), (4960, 51807), (5208, 49340), (6510, 39472), (6944, 37005), (7401, 34720), (7440, 34538), (8680, 29604), (9868, 26040), (10416, 24670), (12335, 20832), (13020, 19736), (14802, 17360), (14880, 17269)]