644349420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{25033}}^1$

素因数の和:25072

約数の個数: 144

約数和(自身を含む): 2296318752

約数和(自身を除く): 1651969332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 8580, 12870, 25033, 25740, 50066, 75099, 100132, 125165, 150198, 225297, 250330, 275363, 300396, 325429, 375495, 450594, 500660, 550726, 650858, 750990, 826089, 901188, 976287, 1101452, 1126485, 1301716, 1376815, 1501980, 1627145, 1652178, 1952574, 2252970, 2478267, 2753630, 2928861, 3254290, 3304356, 3579719, 3905148, 4130445, 4505940, 4881435, 4956534, 5507260, 5857722, 6508580, 7159438, 8260890, 9762870, 9913068, 10739157, 11715444, 12391335, 14318876, 14644305, 16521780, 17898595, 19525740, 21478314, 24782670, 29288610, 32217471, 35797190, 42956628, 49565340, 53695785, 58577220, 64434942, 71594380, 107391570, 128869884, 161087355, 214783140, 322174710, 644349420]

約数ペア:

[(1, 644349420), (2, 322174710), (3, 214783140), (4, 161087355), (5, 128869884), (6, 107391570), (9, 71594380), (10, 64434942), (11, 58577220), (12, 53695785), (13, 49565340), (15, 42956628), (18, 35797190), (20, 32217471), (22, 29288610), (26, 24782670), (30, 21478314), (33, 19525740), (36, 17898595), (39, 16521780), (44, 14644305), (45, 14318876), (52, 12391335), (55, 11715444), (60, 10739157), (65, 9913068), (66, 9762870), (78, 8260890), (90, 7159438), (99, 6508580), (110, 5857722), (117, 5507260), (130, 4956534), (132, 4881435), (143, 4505940), (156, 4130445), (165, 3905148), (180, 3579719), (195, 3304356), (198, 3254290), (220, 2928861), (234, 2753630), (260, 2478267), (286, 2252970), (330, 1952574), (390, 1652178), (396, 1627145), (429, 1501980), (468, 1376815), (495, 1301716), (572, 1126485), (585, 1101452), (660, 976287), (715, 901188), (780, 826089), (858, 750990), (990, 650858), (1170, 550726), (1287, 500660), (1430, 450594), (1716, 375495), (1980, 325429), (2145, 300396), (2340, 275363), (2574, 250330), (2860, 225297), (4290, 150198), (5148, 125165), (6435, 100132), (8580, 75099), (12870, 50066), (25033, 25740)]