19946254680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{457903}}^1$

素因数の和:457942

約数の個数: 144

約数和(自身を含む): 71254441440

約数和(自身を除く): 51308186760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 726, 792, 968, 990, 1089, 1210, 1320, 1452, 1815, 1980, 2178, 2420, 2904, 3630, 3960, 4356, 4840, 5445, 7260, 8712, 10890, 14520, 21780, 43560, 457903, 915806, 1373709, 1831612, 2289515, 2747418, 3663224, 4121127, 4579030, 5036933, 5494836, 6868545, 8242254, 9158060, 10073866, 10989672, 13737090, 15110799, 16484508, 18316120, 20147732, 20605635, 25184665, 27474180, 30221598, 32969016, 40295464, 41211270, 45332397, 50369330, 54948360, 55406263, 60443196, 75553995, 82422540, 90664794, 100738660, 110812526, 120886392, 151107990, 164845080, 166218789, 181329588, 201477320, 221625052, 226661985, 277031315, 302215980, 332437578, 362659176, 443250104, 453323970, 498656367, 554062630, 604431960, 664875156, 831093945, 906647940, 997312734, 1108125260, 1329750312, 1662187890, 1813295880, 1994625468, 2216250520, 2493281835, 3324375780, 3989250936, 4986563670, 6648751560, 9973127340, 19946254680]

約数ペア:

[(1, 19946254680), (2, 9973127340), (3, 6648751560), (4, 4986563670), (5, 3989250936), (6, 3324375780), (8, 2493281835), (9, 2216250520), (10, 1994625468), (11, 1813295880), (12, 1662187890), (15, 1329750312), (18, 1108125260), (20, 997312734), (22, 906647940), (24, 831093945), (30, 664875156), (33, 604431960), (36, 554062630), (40, 498656367), (44, 453323970), (45, 443250104), (55, 362659176), (60, 332437578), (66, 302215980), (72, 277031315), (88, 226661985), (90, 221625052), (99, 201477320), (110, 181329588), (120, 166218789), (121, 164845080), (132, 151107990), (165, 120886392), (180, 110812526), (198, 100738660), (220, 90664794), (242, 82422540), (264, 75553995), (330, 60443196), (360, 55406263), (363, 54948360), (396, 50369330), (440, 45332397), (484, 41211270), (495, 40295464), (605, 32969016), (660, 30221598), (726, 27474180), (792, 25184665), (968, 20605635), (990, 20147732), (1089, 18316120), (1210, 16484508), (1320, 15110799), (1452, 13737090), (1815, 10989672), (1980, 10073866), (2178, 9158060), (2420, 8242254), (2904, 6868545), (3630, 5494836), (3960, 5036933), (4356, 4579030), (4840, 4121127), (5445, 3663224), (7260, 2747418), (8712, 2289515), (10890, 1831612), (14520, 1373709), (21780, 915806), (43560, 457903)]