256882080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5881}}^1$

素因数の和:5919

約数の個数: 192

約数和(自身を含む): 996081408

約数和(自身を除く): 739199328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1365, 1456, 1560, 1680, 1820, 2080, 2184, 2730, 2912, 3120, 3360, 3640, 4368, 5460, 5881, 6240, 7280, 8736, 10920, 11762, 14560, 17643, 21840, 23524, 29405, 35286, 41167, 43680, 47048, 58810, 70572, 76453, 82334, 88215, 94096, 117620, 123501, 141144, 152906, 164668, 176430, 188192, 205835, 229359, 235240, 247002, 282288, 305812, 329336, 352860, 382265, 411670, 458718, 470480, 494004, 535171, 564576, 611624, 617505, 658672, 705720, 764530, 823340, 917436, 940960, 988008, 1070342, 1146795, 1223248, 1235010, 1317344, 1411440, 1529060, 1605513, 1646680, 1834872, 1976016, 2140684, 2293590, 2446496, 2470020, 2675855, 2822880, 3058120, 3211026, 3293360, 3669744, 3952032, 4281368, 4587180, 4940040, 5351710, 6116240, 6422052, 6586720, 7339488, 8027565, 8562736, 9174360, 9880080, 10703420, 12232480, 12844104, 16055130, 17125472, 18348720, 19760160, 21406840, 25688208, 32110260, 36697440, 42813680, 51376416, 64220520, 85627360, 128441040, 256882080]

約数ペア:

[(1, 256882080), (2, 128441040), (3, 85627360), (4, 64220520), (5, 51376416), (6, 42813680), (7, 36697440), (8, 32110260), (10, 25688208), (12, 21406840), (13, 19760160), (14, 18348720), (15, 17125472), (16, 16055130), (20, 12844104), (21, 12232480), (24, 10703420), (26, 9880080), (28, 9174360), (30, 8562736), (32, 8027565), (35, 7339488), (39, 6586720), (40, 6422052), (42, 6116240), (48, 5351710), (52, 4940040), (56, 4587180), (60, 4281368), (65, 3952032), (70, 3669744), (78, 3293360), (80, 3211026), (84, 3058120), (91, 2822880), (96, 2675855), (104, 2470020), (105, 2446496), (112, 2293590), (120, 2140684), (130, 1976016), (140, 1834872), (156, 1646680), (160, 1605513), (168, 1529060), (182, 1411440), (195, 1317344), (208, 1235010), (210, 1223248), (224, 1146795), (240, 1070342), (260, 988008), (273, 940960), (280, 917436), (312, 823340), (336, 764530), (364, 705720), (390, 658672), (416, 617505), (420, 611624), (455, 564576), (480, 535171), (520, 494004), (546, 470480), (560, 458718), (624, 411670), (672, 382265), (728, 352860), (780, 329336), (840, 305812), (910, 282288), (1040, 247002), (1092, 235240), (1120, 229359), (1248, 205835), (1365, 188192), (1456, 176430), (1560, 164668), (1680, 152906), (1820, 141144), (2080, 123501), (2184, 117620), (2730, 94096), (2912, 88215), (3120, 82334), (3360, 76453), (3640, 70572), (4368, 58810), (5460, 47048), (5881, 43680), (6240, 41167), (7280, 35286), (8736, 29405), (10920, 23524), (11762, 21840), (14560, 17643)]