254995920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 240

約数和(自身を含む): 921316032

約数和(自身を除く): 666320112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 83, 85, 90, 102, 120, 136, 144, 153, 166, 170, 180, 204, 240, 249, 251, 255, 272, 306, 332, 340, 360, 408, 415, 498, 502, 510, 612, 664, 680, 720, 747, 753, 765, 816, 830, 996, 1004, 1020, 1224, 1245, 1255, 1328, 1360, 1411, 1494, 1506, 1530, 1660, 1992, 2008, 2040, 2259, 2448, 2490, 2510, 2822, 2988, 3012, 3060, 3320, 3735, 3765, 3984, 4016, 4080, 4233, 4267, 4518, 4980, 5020, 5644, 5976, 6024, 6120, 6640, 7055, 7470, 7530, 8466, 8534, 9036, 9960, 10040, 11288, 11295, 11952, 12048, 12240, 12699, 12801, 14110, 14940, 15060, 16932, 17068, 18072, 19920, 20080, 20833, 21165, 21335, 22576, 22590, 25398, 25602, 28220, 29880, 30120, 33864, 34136, 36144, 38403, 41666, 42330, 42670, 45180, 50796, 51204, 56440, 59760, 60240, 62499, 63495, 64005, 67728, 68272, 76806, 83332, 84660, 85340, 90360, 101592, 102408, 104165, 112880, 124998, 126990, 128010, 153612, 166664, 169320, 170680, 180720, 187497, 192015, 203184, 204816, 208330, 249996, 253980, 256020, 307224, 312495, 333328, 338640, 341360, 354161, 374994, 384030, 416660, 499992, 507960, 512040, 614448, 624990, 708322, 749988, 768060, 833320, 937485, 999984, 1015920, 1024080, 1062483, 1249980, 1416644, 1499976, 1536120, 1666640, 1770805, 1874970, 2124966, 2499960, 2833288, 2999952, 3072240, 3187449, 3541610, 3749940, 4249932, 4999920, 5312415, 5666576, 6374898, 7083220, 7499880, 8499864, 10624830, 12749796, 14166440, 14999760, 15937245, 16999728, 21249660, 25499592, 28332880, 31874490, 42499320, 50999184, 63748980, 84998640, 127497960, 254995920]

約数ペア:

[(1, 254995920), (2, 127497960), (3, 84998640), (4, 63748980), (5, 50999184), (6, 42499320), (8, 31874490), (9, 28332880), (10, 25499592), (12, 21249660), (15, 16999728), (16, 15937245), (17, 14999760), (18, 14166440), (20, 12749796), (24, 10624830), (30, 8499864), (34, 7499880), (36, 7083220), (40, 6374898), (45, 5666576), (48, 5312415), (51, 4999920), (60, 4249932), (68, 3749940), (72, 3541610), (80, 3187449), (83, 3072240), (85, 2999952), (90, 2833288), (102, 2499960), (120, 2124966), (136, 1874970), (144, 1770805), (153, 1666640), (166, 1536120), (170, 1499976), (180, 1416644), (204, 1249980), (240, 1062483), (249, 1024080), (251, 1015920), (255, 999984), (272, 937485), (306, 833320), (332, 768060), (340, 749988), (360, 708322), (408, 624990), (415, 614448), (498, 512040), (502, 507960), (510, 499992), (612, 416660), (664, 384030), (680, 374994), (720, 354161), (747, 341360), (753, 338640), (765, 333328), (816, 312495), (830, 307224), (996, 256020), (1004, 253980), (1020, 249996), (1224, 208330), (1245, 204816), (1255, 203184), (1328, 192015), (1360, 187497), (1411, 180720), (1494, 170680), (1506, 169320), (1530, 166664), (1660, 153612), (1992, 128010), (2008, 126990), (2040, 124998), (2259, 112880), (2448, 104165), (2490, 102408), (2510, 101592), (2822, 90360), (2988, 85340), (3012, 84660), (3060, 83332), (3320, 76806), (3735, 68272), (3765, 67728), (3984, 64005), (4016, 63495), (4080, 62499), (4233, 60240), (4267, 59760), (4518, 56440), (4980, 51204), (5020, 50796), (5644, 45180), (5976, 42670), (6024, 42330), (6120, 41666), (6640, 38403), (7055, 36144), (7470, 34136), (7530, 33864), (8466, 30120), (8534, 29880), (9036, 28220), (9960, 25602), (10040, 25398), (11288, 22590), (11295, 22576), (11952, 21335), (12048, 21165), (12240, 20833), (12699, 20080), (12801, 19920), (14110, 18072), (14940, 17068), (15060, 16932)]