231717870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 144

約数和(自身を含む): 654256512

約数和(自身を除く): 422538642

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 31, 45, 46, 62, 69, 90, 93, 115, 138, 155, 157, 186, 207, 230, 279, 310, 314, 345, 414, 465, 471, 529, 558, 690, 713, 785, 930, 942, 1035, 1058, 1395, 1413, 1426, 1570, 1587, 2070, 2139, 2355, 2645, 2790, 2826, 3174, 3565, 3611, 4278, 4710, 4761, 4867, 5290, 6417, 7065, 7130, 7222, 7935, 9522, 9734, 10695, 10833, 12834, 14130, 14601, 15870, 16399, 18055, 21390, 21666, 23805, 24335, 29202, 32085, 32499, 32798, 36110, 43803, 47610, 48670, 49197, 54165, 64170, 64998, 73005, 81995, 83053, 87606, 98394, 108330, 111941, 146010, 147591, 162495, 163990, 166106, 219015, 223882, 245985, 249159, 295182, 324990, 335823, 415265, 438030, 491970, 498318, 559705, 671646, 737955, 747477, 830530, 1007469, 1119410, 1245795, 1475910, 1494954, 1679115, 2014938, 2491590, 2574643, 3358230, 3737385, 5037345, 5149286, 7474770, 7723929, 10074690, 12873215, 15447858, 23171787, 25746430, 38619645, 46343574, 77239290, 115858935, 231717870]

約数ペア:

[(1, 231717870), (2, 115858935), (3, 77239290), (5, 46343574), (6, 38619645), (9, 25746430), (10, 23171787), (15, 15447858), (18, 12873215), (23, 10074690), (30, 7723929), (31, 7474770), (45, 5149286), (46, 5037345), (62, 3737385), (69, 3358230), (90, 2574643), (93, 2491590), (115, 2014938), (138, 1679115), (155, 1494954), (157, 1475910), (186, 1245795), (207, 1119410), (230, 1007469), (279, 830530), (310, 747477), (314, 737955), (345, 671646), (414, 559705), (465, 498318), (471, 491970), (529, 438030), (558, 415265), (690, 335823), (713, 324990), (785, 295182), (930, 249159), (942, 245985), (1035, 223882), (1058, 219015), (1395, 166106), (1413, 163990), (1426, 162495), (1570, 147591), (1587, 146010), (2070, 111941), (2139, 108330), (2355, 98394), (2645, 87606), (2790, 83053), (2826, 81995), (3174, 73005), (3565, 64998), (3611, 64170), (4278, 54165), (4710, 49197), (4761, 48670), (4867, 47610), (5290, 43803), (6417, 36110), (7065, 32798), (7130, 32499), (7222, 32085), (7935, 29202), (9522, 24335), (9734, 23805), (10695, 21666), (10833, 21390), (12834, 18055), (14130, 16399), (14601, 15870)]