9815191380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{29587}}^1$

素因数の和:29718

約数の個数: 144

約数和(自身を含む): 31663894080

約数和(自身を除く): 21848702700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 97, 114, 171, 180, 190, 194, 228, 285, 291, 342, 380, 388, 485, 570, 582, 684, 855, 873, 970, 1140, 1164, 1455, 1710, 1746, 1843, 1940, 2910, 3420, 3492, 3686, 4365, 5529, 5820, 7372, 8730, 9215, 11058, 16587, 17460, 18430, 22116, 27645, 29587, 33174, 36860, 55290, 59174, 66348, 82935, 88761, 110580, 118348, 147935, 165870, 177522, 266283, 295870, 331740, 355044, 443805, 532566, 562153, 591740, 887610, 1065132, 1124306, 1331415, 1686459, 1775220, 2248612, 2662830, 2810765, 2869939, 3372918, 5059377, 5325660, 5621530, 5739878, 6745836, 8432295, 8609817, 10118754, 11243060, 11479756, 14349695, 16864590, 17219634, 20237508, 25296885, 25829451, 28699390, 33729180, 34439268, 43049085, 50593770, 51658902, 54528841, 57398780, 86098170, 101187540, 103317804, 109057682, 129147255, 163586523, 172196340, 218115364, 258294510, 272644205, 327173046, 490759569, 516589020, 545288410, 654346092, 817932615, 981519138, 1090576820, 1635865230, 1963038276, 2453797845, 3271730460, 4907595690, 9815191380]

約数ペア:

[(1, 9815191380), (2, 4907595690), (3, 3271730460), (4, 2453797845), (5, 1963038276), (6, 1635865230), (9, 1090576820), (10, 981519138), (12, 817932615), (15, 654346092), (18, 545288410), (19, 516589020), (20, 490759569), (30, 327173046), (36, 272644205), (38, 258294510), (45, 218115364), (57, 172196340), (60, 163586523), (76, 129147255), (90, 109057682), (95, 103317804), (97, 101187540), (114, 86098170), (171, 57398780), (180, 54528841), (190, 51658902), (194, 50593770), (228, 43049085), (285, 34439268), (291, 33729180), (342, 28699390), (380, 25829451), (388, 25296885), (485, 20237508), (570, 17219634), (582, 16864590), (684, 14349695), (855, 11479756), (873, 11243060), (970, 10118754), (1140, 8609817), (1164, 8432295), (1455, 6745836), (1710, 5739878), (1746, 5621530), (1843, 5325660), (1940, 5059377), (2910, 3372918), (3420, 2869939), (3492, 2810765), (3686, 2662830), (4365, 2248612), (5529, 1775220), (5820, 1686459), (7372, 1331415), (8730, 1124306), (9215, 1065132), (11058, 887610), (16587, 591740), (17460, 562153), (18430, 532566), (22116, 443805), (27645, 355044), (29587, 331740), (33174, 295870), (36860, 266283), (55290, 177522), (59174, 165870), (66348, 147935), (82935, 118348), (88761, 110580)]