2005390720

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:253

約数の個数: 256

約数和(自身を含む): 5452920000

約数和(自身を除く): 3447529280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 89, 95, 109, 128, 136, 152, 160, 170, 178, 190, 218, 272, 304, 320, 323, 340, 356, 380, 436, 445, 544, 545, 608, 640, 646, 680, 712, 760, 872, 890, 1088, 1090, 1216, 1292, 1360, 1424, 1513, 1520, 1615, 1691, 1744, 1780, 1853, 2071, 2176, 2180, 2432, 2584, 2720, 2848, 3026, 3040, 3230, 3382, 3488, 3560, 3706, 4142, 4360, 5168, 5440, 5696, 6052, 6080, 6460, 6764, 6976, 7120, 7412, 7565, 8284, 8455, 8720, 9265, 9701, 10336, 10355, 10880, 11392, 12104, 12160, 12920, 13528, 13952, 14240, 14824, 15130, 16568, 16910, 17440, 18530, 19402, 20672, 20710, 24208, 25840, 27056, 28480, 28747, 29648, 30260, 33136, 33820, 34880, 35207, 37060, 38804, 41344, 41420, 48416, 48505, 51680, 54112, 56960, 57494, 59296, 60520, 66272, 67640, 69760, 70414, 74120, 77608, 82840, 96832, 97010, 103360, 108224, 114988, 118592, 121040, 132544, 135280, 140828, 143735, 148240, 155216, 164917, 165680, 176035, 184319, 193664, 194020, 206720, 216448, 229976, 237184, 242080, 265088, 270560, 281656, 287470, 296480, 310432, 329834, 331360, 352070, 368638, 388040, 459952, 484160, 541120, 563312, 574940, 592960, 620864, 659668, 662720, 704140, 737276, 776080, 824585, 919904, 921595, 968320, 1082240, 1126624, 1149880, 1185920, 1241728, 1319336, 1325440, 1408280, 1474552, 1552160, 1649170, 1839808, 1843190, 2253248, 2299760, 2638672, 2816560, 2949104, 3104320, 3133423, 3298340, 3679616, 3686380, 4506496, 4599520, 5277344, 5633120, 5898208, 6208640, 6266846, 6596680, 7372760, 9199040, 10554688, 11266240, 11796416, 12533692, 13193360, 14745520, 15667115, 18398080, 21109376, 22532480, 23592832, 25067384, 26386720, 29491040, 31334230, 50134768, 52773440, 58982080, 62668460, 100269536, 105546880, 117964160, 125336920, 200539072, 250673840, 401078144, 501347680, 1002695360, 2005390720]

約数ペア:

[(1, 2005390720), (2, 1002695360), (4, 501347680), (5, 401078144), (8, 250673840), (10, 200539072), (16, 125336920), (17, 117964160), (19, 105546880), (20, 100269536), (32, 62668460), (34, 58982080), (38, 52773440), (40, 50134768), (64, 31334230), (68, 29491040), (76, 26386720), (80, 25067384), (85, 23592832), (89, 22532480), (95, 21109376), (109, 18398080), (128, 15667115), (136, 14745520), (152, 13193360), (160, 12533692), (170, 11796416), (178, 11266240), (190, 10554688), (218, 9199040), (272, 7372760), (304, 6596680), (320, 6266846), (323, 6208640), (340, 5898208), (356, 5633120), (380, 5277344), (436, 4599520), (445, 4506496), (544, 3686380), (545, 3679616), (608, 3298340), (640, 3133423), (646, 3104320), (680, 2949104), (712, 2816560), (760, 2638672), (872, 2299760), (890, 2253248), (1088, 1843190), (1090, 1839808), (1216, 1649170), (1292, 1552160), (1360, 1474552), (1424, 1408280), (1513, 1325440), (1520, 1319336), (1615, 1241728), (1691, 1185920), (1744, 1149880), (1780, 1126624), (1853, 1082240), (2071, 968320), (2176, 921595), (2180, 919904), (2432, 824585), (2584, 776080), (2720, 737276), (2848, 704140), (3026, 662720), (3040, 659668), (3230, 620864), (3382, 592960), (3488, 574940), (3560, 563312), (3706, 541120), (4142, 484160), (4360, 459952), (5168, 388040), (5440, 368638), (5696, 352070), (6052, 331360), (6080, 329834), (6460, 310432), (6764, 296480), (6976, 287470), (7120, 281656), (7412, 270560), (7565, 265088), (8284, 242080), (8455, 237184), (8720, 229976), (9265, 216448), (9701, 206720), (10336, 194020), (10355, 193664), (10880, 184319), (11392, 176035), (12104, 165680), (12160, 164917), (12920, 155216), (13528, 148240), (13952, 143735), (14240, 140828), (14824, 135280), (15130, 132544), (16568, 121040), (16910, 118592), (17440, 114988), (18530, 108224), (19402, 103360), (20672, 97010), (20710, 96832), (24208, 82840), (25840, 77608), (27056, 74120), (28480, 70414), (28747, 69760), (29648, 67640), (30260, 66272), (33136, 60520), (33820, 59296), (34880, 57494), (35207, 56960), (37060, 54112), (38804, 51680), (41344, 48505), (41420, 48416)]