263802560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 224

約数和(自身を含む): 772485120

約数和(自身を除く): 508682560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 32, 35, 40, 56, 58, 62, 64, 70, 80, 112, 116, 124, 131, 140, 145, 155, 160, 203, 217, 224, 232, 248, 262, 280, 290, 310, 320, 406, 434, 448, 464, 496, 524, 560, 580, 620, 655, 812, 868, 899, 917, 928, 992, 1015, 1048, 1085, 1120, 1160, 1240, 1310, 1624, 1736, 1798, 1834, 1856, 1984, 2030, 2096, 2170, 2240, 2320, 2480, 2620, 3248, 3472, 3596, 3668, 3799, 4060, 4061, 4192, 4340, 4495, 4585, 4640, 4960, 5240, 6293, 6496, 6944, 7192, 7336, 7598, 8120, 8122, 8384, 8680, 8990, 9170, 9280, 9920, 10480, 12586, 12992, 13888, 14384, 14672, 15196, 16240, 16244, 17360, 17980, 18340, 18995, 20305, 20960, 25172, 26593, 28427, 28768, 29344, 30392, 31465, 32480, 32488, 34720, 35960, 36680, 37990, 40610, 41920, 50344, 53186, 56854, 57536, 58688, 60784, 62930, 64960, 64976, 69440, 71920, 73360, 75980, 81220, 100688, 106372, 113708, 117769, 121568, 125860, 129952, 132965, 142135, 143840, 146720, 151960, 162440, 201376, 212744, 227416, 235538, 243136, 251720, 259904, 265930, 284270, 287680, 293440, 303920, 324880, 402752, 425488, 454832, 471076, 503440, 531860, 568540, 588845, 607840, 649760, 824383, 850976, 909664, 942152, 1006880, 1063720, 1137080, 1177690, 1215680, 1299520, 1648766, 1701952, 1819328, 1884304, 2013760, 2127440, 2274160, 2355380, 3297532, 3768608, 4121915, 4254880, 4548320, 4710760, 6595064, 7537216, 8243830, 8509760, 9096640, 9421520, 13190128, 16487660, 18843040, 26380256, 32975320, 37686080, 52760512, 65950640, 131901280, 263802560]

約数ペア:

[(1, 263802560), (2, 131901280), (4, 65950640), (5, 52760512), (7, 37686080), (8, 32975320), (10, 26380256), (14, 18843040), (16, 16487660), (20, 13190128), (28, 9421520), (29, 9096640), (31, 8509760), (32, 8243830), (35, 7537216), (40, 6595064), (56, 4710760), (58, 4548320), (62, 4254880), (64, 4121915), (70, 3768608), (80, 3297532), (112, 2355380), (116, 2274160), (124, 2127440), (131, 2013760), (140, 1884304), (145, 1819328), (155, 1701952), (160, 1648766), (203, 1299520), (217, 1215680), (224, 1177690), (232, 1137080), (248, 1063720), (262, 1006880), (280, 942152), (290, 909664), (310, 850976), (320, 824383), (406, 649760), (434, 607840), (448, 588845), (464, 568540), (496, 531860), (524, 503440), (560, 471076), (580, 454832), (620, 425488), (655, 402752), (812, 324880), (868, 303920), (899, 293440), (917, 287680), (928, 284270), (992, 265930), (1015, 259904), (1048, 251720), (1085, 243136), (1120, 235538), (1160, 227416), (1240, 212744), (1310, 201376), (1624, 162440), (1736, 151960), (1798, 146720), (1834, 143840), (1856, 142135), (1984, 132965), (2030, 129952), (2096, 125860), (2170, 121568), (2240, 117769), (2320, 113708), (2480, 106372), (2620, 100688), (3248, 81220), (3472, 75980), (3596, 73360), (3668, 71920), (3799, 69440), (4060, 64976), (4061, 64960), (4192, 62930), (4340, 60784), (4495, 58688), (4585, 57536), (4640, 56854), (4960, 53186), (5240, 50344), (6293, 41920), (6496, 40610), (6944, 37990), (7192, 36680), (7336, 35960), (7598, 34720), (8120, 32488), (8122, 32480), (8384, 31465), (8680, 30392), (8990, 29344), (9170, 28768), (9280, 28427), (9920, 26593), (10480, 25172), (12586, 20960), (12992, 20305), (13888, 18995), (14384, 18340), (14672, 17980), (15196, 17360), (16240, 16244)]