131901280

素因数分解:

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

素因数の和:213

約数の個数: 192

約数和(自身を含む): 383201280

約数和(自身を除く): 251300000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 32, 35, 40, 56, 58, 62, 70, 80, 112, 116, 124, 131, 140, 145, 155, 160, 203, 217, 224, 232, 248, 262, 280, 290, 310, 406, 434, 464, 496, 524, 560, 580, 620, 655, 812, 868, 899, 917, 928, 992, 1015, 1048, 1085, 1120, 1160, 1240, 1310, 1624, 1736, 1798, 1834, 2030, 2096, 2170, 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, 8680, 8990, 9170, 10480, 12586, 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, 50344, 53186, 56854, 60784, 62930, 64976, 71920, 73360, 75980, 81220, 100688, 106372, 113708, 117769, 121568, 125860, 129952, 132965, 142135, 143840, 146720, 151960, 162440, 201376, 212744, 227416, 235538, 251720, 265930, 284270, 303920, 324880, 425488, 454832, 471076, 503440, 531860, 568540, 588845, 607840, 649760, 824383, 850976, 909664, 942152, 1006880, 1063720, 1137080, 1177690, 1648766, 1884304, 2127440, 2274160, 2355380, 3297532, 3768608, 4121915, 4254880, 4548320, 4710760, 6595064, 8243830, 9421520, 13190128, 16487660, 18843040, 26380256, 32975320, 65950640, 131901280]

約数ペア:

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