669125080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 1700889840

約数和(自身を除く): 1031764760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 103, 104, 124, 130, 155, 169, 206, 248, 260, 310, 338, 403, 412, 515, 520, 620, 676, 806, 824, 845, 961, 1030, 1240, 1339, 1352, 1612, 1690, 1922, 2015, 2060, 2678, 3193, 3224, 3380, 3844, 4030, 4120, 4805, 5239, 5356, 6386, 6695, 6760, 7688, 8060, 9610, 10478, 10712, 12493, 12772, 13390, 15965, 16120, 17407, 19220, 20956, 24986, 25544, 26195, 26780, 31930, 34814, 38440, 41509, 41912, 49972, 52390, 53560, 62465, 63860, 69628, 83018, 87035, 98983, 99944, 104780, 124930, 127720, 139256, 162409, 166036, 174070, 197966, 207545, 209560, 249860, 324818, 332072, 348140, 395932, 415090, 494915, 499720, 539617, 649636, 696280, 791864, 812045, 830180, 989830, 1079234, 1286779, 1299272, 1624090, 1660360, 1979660, 2158468, 2573558, 2698085, 3248180, 3959320, 4316936, 5147116, 5396170, 6433895, 6496360, 10294232, 10792340, 12867790, 16728127, 21584680, 25735580, 33456254, 51471160, 66912508, 83640635, 133825016, 167281270, 334562540, 669125080]

約数ペア:

[(1, 669125080), (2, 334562540), (4, 167281270), (5, 133825016), (8, 83640635), (10, 66912508), (13, 51471160), (20, 33456254), (26, 25735580), (31, 21584680), (40, 16728127), (52, 12867790), (62, 10792340), (65, 10294232), (103, 6496360), (104, 6433895), (124, 5396170), (130, 5147116), (155, 4316936), (169, 3959320), (206, 3248180), (248, 2698085), (260, 2573558), (310, 2158468), (338, 1979660), (403, 1660360), (412, 1624090), (515, 1299272), (520, 1286779), (620, 1079234), (676, 989830), (806, 830180), (824, 812045), (845, 791864), (961, 696280), (1030, 649636), (1240, 539617), (1339, 499720), (1352, 494915), (1612, 415090), (1690, 395932), (1922, 348140), (2015, 332072), (2060, 324818), (2678, 249860), (3193, 209560), (3224, 207545), (3380, 197966), (3844, 174070), (4030, 166036), (4120, 162409), (4805, 139256), (5239, 127720), (5356, 124930), (6386, 104780), (6695, 99944), (6760, 98983), (7688, 87035), (8060, 83018), (9610, 69628), (10478, 63860), (10712, 62465), (12493, 53560), (12772, 52390), (13390, 49972), (15965, 41912), (16120, 41509), (17407, 38440), (19220, 34814), (20956, 31930), (24986, 26780), (25544, 26195)]