281178540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4691}}^1$

素因数の和:4749

約数の個数: 120

約数和(自身を含む): 906100272

約数和(自身を除く): 624921732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 270, 324, 333, 370, 405, 444, 540, 555, 666, 740, 810, 999, 1110, 1332, 1620, 1665, 1998, 2220, 2997, 3330, 3996, 4691, 4995, 5994, 6660, 9382, 9990, 11988, 14073, 14985, 18764, 19980, 23455, 28146, 29970, 42219, 46910, 56292, 59940, 70365, 84438, 93820, 126657, 140730, 168876, 173567, 211095, 253314, 281460, 347134, 379971, 422190, 506628, 520701, 633285, 694268, 759942, 844380, 867835, 1041402, 1266570, 1519884, 1562103, 1735670, 1899855, 2082804, 2533140, 2603505, 3124206, 3471340, 3799710, 4686309, 5207010, 6248412, 7599420, 7810515, 9372618, 10414020, 14058927, 15621030, 18745236, 23431545, 28117854, 31242060, 46863090, 56235708, 70294635, 93726180, 140589270, 281178540]

約数ペア:

[(1, 281178540), (2, 140589270), (3, 93726180), (4, 70294635), (5, 56235708), (6, 46863090), (9, 31242060), (10, 28117854), (12, 23431545), (15, 18745236), (18, 15621030), (20, 14058927), (27, 10414020), (30, 9372618), (36, 7810515), (37, 7599420), (45, 6248412), (54, 5207010), (60, 4686309), (74, 3799710), (81, 3471340), (90, 3124206), (108, 2603505), (111, 2533140), (135, 2082804), (148, 1899855), (162, 1735670), (180, 1562103), (185, 1519884), (222, 1266570), (270, 1041402), (324, 867835), (333, 844380), (370, 759942), (405, 694268), (444, 633285), (540, 520701), (555, 506628), (666, 422190), (740, 379971), (810, 347134), (999, 281460), (1110, 253314), (1332, 211095), (1620, 173567), (1665, 168876), (1998, 140730), (2220, 126657), (2997, 93820), (3330, 84438), (3996, 70365), (4691, 59940), (4995, 56292), (5994, 46910), (6660, 42219), (9382, 29970), (9990, 28146), (11988, 23455), (14073, 19980), (14985, 18764)]