278971680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:244

約数の個数: 288

約数和(自身を含む): 1007173440

約数和(自身を除く): 728201760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 96, 104, 114, 120, 130, 152, 156, 160, 169, 181, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 338, 362, 380, 390, 416, 456, 480, 494, 507, 520, 543, 570, 608, 624, 676, 724, 741, 760, 780, 845, 905, 912, 988, 1014, 1040, 1086, 1140, 1235, 1248, 1352, 1448, 1482, 1520, 1560, 1690, 1810, 1824, 1976, 2028, 2080, 2172, 2280, 2353, 2470, 2535, 2704, 2715, 2896, 2964, 3040, 3120, 3211, 3380, 3439, 3620, 3705, 3952, 4056, 4344, 4560, 4706, 4940, 5070, 5408, 5430, 5792, 5928, 6240, 6422, 6760, 6878, 7059, 7240, 7410, 7904, 8112, 8688, 9120, 9412, 9633, 9880, 10140, 10317, 10860, 11765, 11856, 12844, 13520, 13756, 14118, 14480, 14820, 16055, 16224, 17195, 17376, 18824, 19266, 19760, 20280, 20634, 21720, 23530, 23712, 25688, 27040, 27512, 28236, 28960, 29640, 30589, 32110, 34390, 35295, 37648, 38532, 39520, 40560, 41268, 43440, 44707, 47060, 48165, 51376, 51585, 55024, 56472, 59280, 61178, 64220, 68780, 70590, 75296, 77064, 81120, 82536, 86880, 89414, 91767, 94120, 96330, 102752, 103170, 110048, 112944, 118560, 122356, 128440, 134121, 137560, 141180, 152945, 154128, 165072, 178828, 183534, 188240, 192660, 206340, 223535, 225888, 244712, 256880, 268242, 275120, 282360, 305890, 308256, 330144, 357656, 367068, 376480, 385320, 412680, 447070, 458835, 489424, 513760, 536484, 550240, 564720, 581191, 611780, 670605, 715312, 734136, 770640, 825360, 894140, 917670, 978848, 1072968, 1129440, 1162382, 1223560, 1341210, 1430624, 1468272, 1541280, 1650720, 1743573, 1788280, 1835340, 2145936, 2324764, 2447120, 2682420, 2905955, 2936544, 3487146, 3576560, 3670680, 4291872, 4649528, 4894240, 5364840, 5811910, 6974292, 7153120, 7341360, 8717865, 9299056, 10729680, 11623820, 13948584, 14682720, 17435730, 18598112, 21459360, 23247640, 27897168, 34871460, 46495280, 55794336, 69742920, 92990560, 139485840, 278971680]

約数ペア:

[(1, 278971680), (2, 139485840), (3, 92990560), (4, 69742920), (5, 55794336), (6, 46495280), (8, 34871460), (10, 27897168), (12, 23247640), (13, 21459360), (15, 18598112), (16, 17435730), (19, 14682720), (20, 13948584), (24, 11623820), (26, 10729680), (30, 9299056), (32, 8717865), (38, 7341360), (39, 7153120), (40, 6974292), (48, 5811910), (52, 5364840), (57, 4894240), (60, 4649528), (65, 4291872), (76, 3670680), (78, 3576560), (80, 3487146), (95, 2936544), (96, 2905955), (104, 2682420), (114, 2447120), (120, 2324764), (130, 2145936), (152, 1835340), (156, 1788280), (160, 1743573), (169, 1650720), (181, 1541280), (190, 1468272), (195, 1430624), (208, 1341210), (228, 1223560), (240, 1162382), (247, 1129440), (260, 1072968), (285, 978848), (304, 917670), (312, 894140), (338, 825360), (362, 770640), (380, 734136), (390, 715312), (416, 670605), (456, 611780), (480, 581191), (494, 564720), (507, 550240), (520, 536484), (543, 513760), (570, 489424), (608, 458835), (624, 447070), (676, 412680), (724, 385320), (741, 376480), (760, 367068), (780, 357656), (845, 330144), (905, 308256), (912, 305890), (988, 282360), (1014, 275120), (1040, 268242), (1086, 256880), (1140, 244712), (1235, 225888), (1248, 223535), (1352, 206340), (1448, 192660), (1482, 188240), (1520, 183534), (1560, 178828), (1690, 165072), (1810, 154128), (1824, 152945), (1976, 141180), (2028, 137560), (2080, 134121), (2172, 128440), (2280, 122356), (2353, 118560), (2470, 112944), (2535, 110048), (2704, 103170), (2715, 102752), (2896, 96330), (2964, 94120), (3040, 91767), (3120, 89414), (3211, 86880), (3380, 82536), (3439, 81120), (3620, 77064), (3705, 75296), (3952, 70590), (4056, 68780), (4344, 64220), (4560, 61178), (4706, 59280), (4940, 56472), (5070, 55024), (5408, 51585), (5430, 51376), (5792, 48165), (5928, 47060), (6240, 44707), (6422, 43440), (6760, 41268), (6878, 40560), (7059, 39520), (7240, 38532), (7410, 37648), (7904, 35295), (8112, 34390), (8688, 32110), (9120, 30589), (9412, 29640), (9633, 28960), (9880, 28236), (10140, 27512), (10317, 27040), (10860, 25688), (11765, 23712), (11856, 23530), (12844, 21720), (13520, 20634), (13756, 20280), (14118, 19760), (14480, 19266), (14820, 18824), (16055, 17376), (16224, 17195)]